20007980030

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25326557}}^1$

素因数の和:25326643

約数の個数: 16

約数和(自身を含む): 36470243520

約数和(自身を除く): 16462263490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25326557, 50653114, 126632785, 253265570, 2000798003, 4001596006, 10003990015, 20007980030]

約数ペア:

[(1, 20007980030), (2, 10003990015), (5, 4001596006), (10, 2000798003), (79, 253265570), (158, 126632785), (395, 50653114), (790, 25326557)]