20695750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4357}}^1$

素因数の和:4393

約数の個数: 32

約数和(自身を含む): 40790880

約数和(自身を除く): 20095130

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4357, 4750, 8714, 21785, 43570, 82783, 108925, 165566, 217850, 413915, 544625, 827830, 1089250, 2069575, 4139150, 10347875, 20695750]

約数ペア:

[(1, 20695750), (2, 10347875), (5, 4139150), (10, 2069575), (19, 1089250), (25, 827830), (38, 544625), (50, 413915), (95, 217850), (125, 165566), (190, 108925), (250, 82783), (475, 43570), (950, 21785), (2375, 8714), (4357, 4750)]