20263607

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2447}}^1$

素因数の和:2487

約数の個数: 18

約数和(自身を含む): 25535088

約数和(自身を除く): 5271481

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2447, 8281, 17129, 31811, 119903, 222677, 413543, 1558739, 2894801, 20263607]

約数ペア:

[(1, 20263607), (7, 2894801), (13, 1558739), (49, 413543), (91, 222677), (169, 119903), (637, 31811), (1183, 17129), (2447, 8281)]