20561638

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1471}}^1$

素因数の和:1743

約数の個数: 16

約数和(自身を含む): 32060160

約数和(自身を除く): 11498522

約数列:

[1, 2, 29, 58, 241, 482, 1471, 2942, 6989, 13978, 42659, 85318, 354511, 709022, 10280819, 20561638]

約数ペア:

[(1, 20561638), (2, 10280819), (29, 709022), (58, 354511), (241, 85318), (482, 42659), (1471, 13978), (2942, 6989)]