20628137208

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{17419}}^1$

素因数の和:17514

約数の個数: 192

約数和(自身を含む): 64342512000

約数和(自身を除く): 43714374792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 53, 56, 57, 76, 84, 98, 106, 114, 133, 147, 152, 159, 168, 196, 212, 228, 266, 294, 318, 371, 392, 399, 424, 456, 532, 588, 636, 742, 798, 931, 1007, 1064, 1113, 1176, 1272, 1484, 1596, 1862, 2014, 2226, 2597, 2793, 2968, 3021, 3192, 3724, 4028, 4452, 5194, 5586, 6042, 7049, 7448, 7791, 8056, 8904, 10388, 11172, 12084, 14098, 15582, 17419, 20776, 21147, 22344, 24168, 28196, 31164, 34838, 42294, 49343, 52257, 56392, 62328, 69676, 84588, 98686, 104514, 121933, 139352, 148029, 169176, 197372, 209028, 243866, 296058, 330961, 365799, 394744, 418056, 487732, 592116, 661922, 731598, 853531, 923207, 975464, 992883, 1184232, 1323844, 1463196, 1707062, 1846414, 1985766, 2316727, 2560593, 2647688, 2769621, 2926392, 3414124, 3692828, 3971532, 4633454, 5121186, 5539242, 6462449, 6828248, 6950181, 7385656, 7943064, 9266908, 10242372, 11078484, 12924898, 13900362, 16217089, 17540933, 18533816, 19387347, 20484744, 22156968, 25849796, 27800724, 32434178, 35081866, 38774694, 45237143, 48651267, 51699592, 52622799, 55601448, 64868356, 70163732, 77549388, 90474286, 97302534, 105245598, 122786531, 129736712, 135711429, 140327464, 155098776, 180948572, 194605068, 210491196, 245573062, 271422858, 361897144, 368359593, 389210136, 420982392, 491146124, 542845716, 736719186, 859505717, 982292248, 1085691432, 1473438372, 1719011434, 2578517151, 2946876744, 3438022868, 5157034302, 6876045736, 10314068604, 20628137208]

約数ペア:

[(1, 20628137208), (2, 10314068604), (3, 6876045736), (4, 5157034302), (6, 3438022868), (7, 2946876744), (8, 2578517151), (12, 1719011434), (14, 1473438372), (19, 1085691432), (21, 982292248), (24, 859505717), (28, 736719186), (38, 542845716), (42, 491146124), (49, 420982392), (53, 389210136), (56, 368359593), (57, 361897144), (76, 271422858), (84, 245573062), (98, 210491196), (106, 194605068), (114, 180948572), (133, 155098776), (147, 140327464), (152, 135711429), (159, 129736712), (168, 122786531), (196, 105245598), (212, 97302534), (228, 90474286), (266, 77549388), (294, 70163732), (318, 64868356), (371, 55601448), (392, 52622799), (399, 51699592), (424, 48651267), (456, 45237143), (532, 38774694), (588, 35081866), (636, 32434178), (742, 27800724), (798, 25849796), (931, 22156968), (1007, 20484744), (1064, 19387347), (1113, 18533816), (1176, 17540933), (1272, 16217089), (1484, 13900362), (1596, 12924898), (1862, 11078484), (2014, 10242372), (2226, 9266908), (2597, 7943064), (2793, 7385656), (2968, 6950181), (3021, 6828248), (3192, 6462449), (3724, 5539242), (4028, 5121186), (4452, 4633454), (5194, 3971532), (5586, 3692828), (6042, 3414124), (7049, 2926392), (7448, 2769621), (7791, 2647688), (8056, 2560593), (8904, 2316727), (10388, 1985766), (11172, 1846414), (12084, 1707062), (14098, 1463196), (15582, 1323844), (17419, 1184232), (20776, 992883), (21147, 975464), (22344, 923207), (24168, 853531), (28196, 731598), (31164, 661922), (34838, 592116), (42294, 487732), (49343, 418056), (52257, 394744), (56392, 365799), (62328, 330961), (69676, 296058), (84588, 243866), (98686, 209028), (104514, 197372), (121933, 169176), (139352, 148029)]