20347867878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1\times {\mathrm{1523}}^1$

素因数の和:2789

約数の個数: 64

約数和(自身を含む): 44174737152

約数和(自身を除く): 23826869274

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 1091, 1523, 2041, 2182, 3046, 3273, 4082, 4569, 6123, 6546, 9138, 12246, 14183, 19799, 28366, 39598, 42549, 59397, 85098, 118794, 171287, 239111, 342574, 478222, 513861, 717333, 1027722, 1434666, 1661593, 2226731, 3108443, 3323186, 4453462, 4984779, 6216886, 6680193, 9325329, 9969558, 13360386, 18650658, 21600709, 43201418, 64802127, 129604254, 260870101, 521740202, 782610303, 1565220606, 3391311313, 6782622626, 10173933939, 20347867878]

約数ペア:

[(1, 20347867878), (2, 10173933939), (3, 6782622626), (6, 3391311313), (13, 1565220606), (26, 782610303), (39, 521740202), (78, 260870101), (157, 129604254), (314, 64802127), (471, 43201418), (942, 21600709), (1091, 18650658), (1523, 13360386), (2041, 9969558), (2182, 9325329), (3046, 6680193), (3273, 6216886), (4082, 4984779), (4569, 4453462), (6123, 3323186), (6546, 3108443), (9138, 2226731), (12246, 1661593), (14183, 1434666), (19799, 1027722), (28366, 717333), (39598, 513861), (42549, 478222), (59397, 342574), (85098, 239111), (118794, 171287)]