20921416710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{45817}}^1$

素因数の和:46349

約数の個数: 64

約数和(自身を含む): 51937818624

約数和(自身を除く): 31016401914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 491, 930, 982, 1473, 2455, 2946, 4910, 7365, 14730, 15221, 30442, 45663, 45817, 76105, 91326, 91634, 137451, 152210, 228315, 229085, 274902, 456630, 458170, 687255, 1374510, 1420327, 2840654, 4260981, 7101635, 8521962, 14203270, 21304905, 22496147, 42609810, 44992294, 67488441, 112480735, 134976882, 224961470, 337442205, 674884410, 697380557, 1394761114, 2092141671, 3486902785, 4184283342, 6973805570, 10460708355, 20921416710]

約数ペア:

[(1, 20921416710), (2, 10460708355), (3, 6973805570), (5, 4184283342), (6, 3486902785), (10, 2092141671), (15, 1394761114), (30, 697380557), (31, 674884410), (62, 337442205), (93, 224961470), (155, 134976882), (186, 112480735), (310, 67488441), (465, 44992294), (491, 42609810), (930, 22496147), (982, 21304905), (1473, 14203270), (2455, 8521962), (2946, 7101635), (4910, 4260981), (7365, 2840654), (14730, 1420327), (15221, 1374510), (30442, 687255), (45663, 458170), (45817, 456630), (76105, 274902), (91326, 229085), (91634, 228315), (137451, 152210)]