20576457

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2389}}^1$

素因数の和:2438

約数の個数: 32

約数和(自身を含む): 34416000

約数和(自身を除く): 13839543

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2389, 2871, 7167, 8613, 21501, 26279, 64503, 69281, 78837, 207843, 236511, 623529, 709533, 762091, 1870587, 2286273, 6858819, 20576457]

約数ペア:

[(1, 20576457), (3, 6858819), (9, 2286273), (11, 1870587), (27, 762091), (29, 709533), (33, 623529), (87, 236511), (99, 207843), (261, 78837), (297, 69281), (319, 64503), (783, 26279), (957, 21501), (2389, 8613), (2871, 7167)]