20404982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21211}}^1$

素因数の和:21263

約数の個数: 16

約数和(自身を含む): 33854352

約数和(自身を除く): 13449370

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21211, 42422, 275743, 551486, 784807, 1569614, 10202491, 20404982]

約数ペア:

[(1, 20404982), (2, 10202491), (13, 1569614), (26, 784807), (37, 551486), (74, 275743), (481, 42422), (962, 21211)]