20786816736

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{355549}}^1$

素因数の和:355601

約数の個数: 144

約数和(自身を含む): 69886908000

約数和(自身を除く): 49100091264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 56, 58, 63, 72, 84, 87, 96, 112, 116, 126, 144, 168, 174, 203, 224, 232, 252, 261, 288, 336, 348, 406, 464, 504, 522, 609, 672, 696, 812, 928, 1008, 1044, 1218, 1392, 1624, 1827, 2016, 2088, 2436, 2784, 3248, 3654, 4176, 4872, 6496, 7308, 8352, 9744, 14616, 19488, 29232, 58464, 355549, 711098, 1066647, 1422196, 2133294, 2488843, 2844392, 3199941, 4266588, 4977686, 5688784, 6399882, 7466529, 8533176, 9955372, 10310921, 11377568, 12799764, 14933058, 17066352, 19910744, 20621842, 22399587, 25599528, 29866116, 30932763, 34132704, 39821488, 41243684, 44799174, 51199056, 59732232, 61865526, 72176447, 79642976, 82487368, 89598348, 92798289, 102398112, 119464464, 123731052, 144352894, 164974736, 179196696, 185596578, 216529341, 238928928, 247462104, 288705788, 329949472, 358393392, 371193156, 433058682, 494924208, 577411576, 649588023, 716786784, 742386312, 866117364, 989848416, 1154823152, 1299176046, 1484772624, 1732234728, 2309646304, 2598352092, 2969545248, 3464469456, 5196704184, 6928938912, 10393408368, 20786816736]

約数ペア:

[(1, 20786816736), (2, 10393408368), (3, 6928938912), (4, 5196704184), (6, 3464469456), (7, 2969545248), (8, 2598352092), (9, 2309646304), (12, 1732234728), (14, 1484772624), (16, 1299176046), (18, 1154823152), (21, 989848416), (24, 866117364), (28, 742386312), (29, 716786784), (32, 649588023), (36, 577411576), (42, 494924208), (48, 433058682), (56, 371193156), (58, 358393392), (63, 329949472), (72, 288705788), (84, 247462104), (87, 238928928), (96, 216529341), (112, 185596578), (116, 179196696), (126, 164974736), (144, 144352894), (168, 123731052), (174, 119464464), (203, 102398112), (224, 92798289), (232, 89598348), (252, 82487368), (261, 79642976), (288, 72176447), (336, 61865526), (348, 59732232), (406, 51199056), (464, 44799174), (504, 41243684), (522, 39821488), (609, 34132704), (672, 30932763), (696, 29866116), (812, 25599528), (928, 22399587), (1008, 20621842), (1044, 19910744), (1218, 17066352), (1392, 14933058), (1624, 12799764), (1827, 11377568), (2016, 10310921), (2088, 9955372), (2436, 8533176), (2784, 7466529), (3248, 6399882), (3654, 5688784), (4176, 4977686), (4872, 4266588), (6496, 3199941), (7308, 2844392), (8352, 2488843), (9744, 2133294), (14616, 1422196), (19488, 1066647), (29232, 711098), (58464, 355549)]