20653704

素因数分解:

$2^3\times 3^4\times {\mathrm{31873}}^1$

素因数の和:31891

約数の個数: 40

約数和(自身を含む): 57851310

約数和(自身を除く): 37197606

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31873, 63746, 95619, 127492, 191238, 254984, 286857, 382476, 573714, 764952, 860571, 1147428, 1721142, 2294856, 2581713, 3442284, 5163426, 6884568, 10326852, 20653704]

約数ペア:

[(1, 20653704), (2, 10326852), (3, 6884568), (4, 5163426), (6, 3442284), (8, 2581713), (9, 2294856), (12, 1721142), (18, 1147428), (24, 860571), (27, 764952), (36, 573714), (54, 382476), (72, 286857), (81, 254984), (108, 191238), (162, 127492), (216, 95619), (324, 63746), (648, 31873)]