20176986042

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15787939}}^1$

素因数の和:15788018

約数の個数: 24

約数和(自身を含む): 44332535520

約数和(自身を除く): 24155549478

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15787939, 31575878, 47363817, 94727634, 142091451, 284182902, 1120943669, 2241887338, 3362831007, 6725662014, 10088493021, 20176986042]

約数ペア:

[(1, 20176986042), (2, 10088493021), (3, 6725662014), (6, 3362831007), (9, 2241887338), (18, 1120943669), (71, 284182902), (142, 142091451), (213, 94727634), (426, 47363817), (639, 31575878), (1278, 15787939)]