20875803

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 31029264

約数和(自身を除く): 10153461

約数列:

[1, 3, 13, 31, 39, 93, 403, 557, 961, 1209, 1671, 2883, 7241, 12493, 17267, 21723, 37479, 51801, 224471, 535277, 673413, 1605831, 6958601, 20875803]

約数ペア:

[(1, 20875803), (3, 6958601), (13, 1605831), (31, 673413), (39, 535277), (93, 224471), (403, 51801), (557, 37479), (961, 21723), (1209, 17267), (1671, 12493), (2883, 7241)]