20446618

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1073

約数の個数: 16

約数和(自身を含む): 31547880

約数和(自身を除く): 11101262

約数列:

[1, 2, 41, 82, 389, 641, 778, 1282, 15949, 26281, 31898, 52562, 249349, 498698, 10223309, 20446618]

約数ペア:

[(1, 20446618), (2, 10223309), (41, 498698), (82, 249349), (389, 52562), (641, 31898), (778, 26281), (1282, 15949)]