20449806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11399}}^1$

素因数の和:11440

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25514994

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11399, 22798, 34197, 68394, 148187, 262177, 296374, 444561, 524354, 786531, 889122, 1573062, 3408301, 6816602, 10224903, 20449806]

約数ペア:

[(1, 20449806), (2, 10224903), (3, 6816602), (6, 3408301), (13, 1573062), (23, 889122), (26, 786531), (39, 524354), (46, 444561), (69, 296374), (78, 262177), (138, 148187), (299, 68394), (598, 34197), (897, 22798), (1794, 11399)]