20124195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 41416704

約数和(自身を除く): 21292509

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 455, 483, 641, 805, 897, 1365, 1495, 1923, 2093, 2415, 3205, 4485, 4487, 6279, 8333, 9615, 10465, 13461, 14743, 22435, 24999, 31395, 41665, 44229, 58331, 67305, 73715, 103201, 124995, 174993, 191659, 221145, 291655, 309603, 516005, 574977, 874965, 958295, 1341613, 1548015, 2874885, 4024839, 6708065, 20124195]

約数ペア:

[(1, 20124195), (3, 6708065), (5, 4024839), (7, 2874885), (13, 1548015), (15, 1341613), (21, 958295), (23, 874965), (35, 574977), (39, 516005), (65, 309603), (69, 291655), (91, 221145), (105, 191659), (115, 174993), (161, 124995), (195, 103201), (273, 73715), (299, 67305), (345, 58331), (455, 44229), (483, 41665), (641, 31395), (805, 24999), (897, 22435), (1365, 14743), (1495, 13461), (1923, 10465), (2093, 9615), (2415, 8333), (3205, 6279), (4485, 4487)]