20919640608

素因数分解:

$2^5\times 3^6\times {\mathrm{61}}^2\times {\mathrm{241}}^1$

素因数の和:391

約数の個数: 252

約数和(自身を含む): 63039450474

約数和(自身を除く): 42119809866

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 72, 81, 96, 108, 122, 144, 162, 183, 216, 241, 243, 244, 288, 324, 366, 432, 482, 486, 488, 549, 648, 723, 729, 732, 864, 964, 972, 976, 1098, 1296, 1446, 1458, 1464, 1647, 1928, 1944, 1952, 2169, 2196, 2592, 2892, 2916, 2928, 3294, 3721, 3856, 3888, 4338, 4392, 4941, 5784, 5832, 5856, 6507, 6588, 7442, 7712, 7776, 8676, 8784, 9882, 11163, 11568, 11664, 13014, 13176, 14701, 14823, 14884, 17352, 17568, 19521, 19764, 22326, 23136, 23328, 26028, 26352, 29402, 29646, 29768, 33489, 34704, 39042, 39528, 44103, 44469, 44652, 52056, 52704, 58563, 58804, 59292, 59536, 66978, 69408, 78084, 79056, 88206, 88938, 89304, 100467, 104112, 117126, 117608, 118584, 119072, 132309, 133956, 156168, 158112, 175689, 176412, 177876, 178608, 200934, 208224, 234252, 235216, 237168, 264618, 267912, 301401, 312336, 351378, 352824, 355752, 357216, 396927, 401868, 468504, 470432, 474336, 529236, 535824, 602802, 624672, 702756, 705648, 711504, 793854, 803736, 896761, 904203, 937008, 1058472, 1071648, 1190781, 1205604, 1405512, 1411296, 1423008, 1587708, 1607472, 1793522, 1808406, 1874016, 2116944, 2381562, 2411208, 2690283, 2712609, 2811024, 3175416, 3214944, 3572343, 3587044, 3616812, 4233888, 4763124, 4822416, 5380566, 5425218, 5622048, 6350832, 7144686, 7174088, 7233624, 8070849, 9526248, 9644832, 10717029, 10761132, 10850436, 12701664, 14289372, 14348176, 14467248, 16141698, 19052496, 21434058, 21522264, 21700872, 24212547, 28578744, 28696352, 28934496, 32283396, 38104992, 42868116, 43044528, 43401744, 48425094, 57157488, 64566792, 72637641, 85736232, 86089056, 86803488, 96850188, 114314976, 129133584, 145275282, 171472464, 193700376, 217912923, 258267168, 290550564, 342944928, 387400752, 435825846, 581101128, 653738769, 774801504, 871651692, 1162202256, 1307477538, 1743303384, 2324404512, 2614955076, 3486606768, 5229910152, 6973213536, 10459820304, 20919640608]

約数ペア:

[(1, 20919640608), (2, 10459820304), (3, 6973213536), (4, 5229910152), (6, 3486606768), (8, 2614955076), (9, 2324404512), (12, 1743303384), (16, 1307477538), (18, 1162202256), (24, 871651692), (27, 774801504), (32, 653738769), (36, 581101128), (48, 435825846), (54, 387400752), (61, 342944928), (72, 290550564), (81, 258267168), (96, 217912923), (108, 193700376), (122, 171472464), (144, 145275282), (162, 129133584), (183, 114314976), (216, 96850188), (241, 86803488), (243, 86089056), (244, 85736232), (288, 72637641), (324, 64566792), (366, 57157488), (432, 48425094), (482, 43401744), (486, 43044528), (488, 42868116), (549, 38104992), (648, 32283396), (723, 28934496), (729, 28696352), (732, 28578744), (864, 24212547), (964, 21700872), (972, 21522264), (976, 21434058), (1098, 19052496), (1296, 16141698), (1446, 14467248), (1458, 14348176), (1464, 14289372), (1647, 12701664), (1928, 10850436), (1944, 10761132), (1952, 10717029), (2169, 9644832), (2196, 9526248), (2592, 8070849), (2892, 7233624), (2916, 7174088), (2928, 7144686), (3294, 6350832), (3721, 5622048), (3856, 5425218), (3888, 5380566), (4338, 4822416), (4392, 4763124), (4941, 4233888), (5784, 3616812), (5832, 3587044), (5856, 3572343), (6507, 3214944), (6588, 3175416), (7442, 2811024), (7712, 2712609), (7776, 2690283), (8676, 2411208), (8784, 2381562), (9882, 2116944), (11163, 1874016), (11568, 1808406), (11664, 1793522), (13014, 1607472), (13176, 1587708), (14701, 1423008), (14823, 1411296), (14884, 1405512), (17352, 1205604), (17568, 1190781), (19521, 1071648), (19764, 1058472), (22326, 937008), (23136, 904203), (23328, 896761), (26028, 803736), (26352, 793854), (29402, 711504), (29646, 705648), (29768, 702756), (33489, 624672), (34704, 602802), (39042, 535824), (39528, 529236), (44103, 474336), (44469, 470432), (44652, 468504), (52056, 401868), (52704, 396927), (58563, 357216), (58804, 355752), (59292, 352824), (59536, 351378), (66978, 312336), (69408, 301401), (78084, 267912), (79056, 264618), (88206, 237168), (88938, 235216), (89304, 234252), (100467, 208224), (104112, 200934), (117126, 178608), (117608, 177876), (118584, 176412), (119072, 175689), (132309, 158112), (133956, 156168)]