20165710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18610610

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 2039, 4078, 4945, 9890, 10195, 20390, 46897, 87677, 93794, 175354, 234485, 438385, 468970, 876770, 2016571, 4033142, 10082855, 20165710]

約数ペア:

[(1, 20165710), (2, 10082855), (5, 4033142), (10, 2016571), (23, 876770), (43, 468970), (46, 438385), (86, 234485), (115, 175354), (215, 93794), (230, 87677), (430, 46897), (989, 20390), (1978, 10195), (2039, 9890), (4078, 4945)]