20167895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 7825705

約数列:

[1, 5, 11, 23, 55, 107, 115, 149, 253, 535, 745, 1177, 1265, 1639, 2461, 3427, 5885, 8195, 12305, 15943, 17135, 27071, 37697, 79715, 135355, 175373, 188485, 366689, 876865, 1833445, 4033579, 20167895]

約数ペア:

[(1, 20167895), (5, 4033579), (11, 1833445), (23, 876865), (55, 366689), (107, 188485), (115, 175373), (149, 135355), (253, 79715), (535, 37697), (745, 27071), (1177, 17135), (1265, 15943), (1639, 12305), (2461, 8195), (3427, 5885)]