20582910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25411}}^1$

素因数の和:25430

約数の個数: 40

約数和(自身を含む): 55347336

約数和(自身を除く): 34764426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25411, 50822, 76233, 127055, 152466, 228699, 254110, 381165, 457398, 686097, 762330, 1143495, 1372194, 2058291, 2286990, 3430485, 4116582, 6860970, 10291455, 20582910]

約数ペア:

[(1, 20582910), (2, 10291455), (3, 6860970), (5, 4116582), (6, 3430485), (9, 2286990), (10, 2058291), (15, 1372194), (18, 1143495), (27, 762330), (30, 686097), (45, 457398), (54, 381165), (81, 254110), (90, 228699), (135, 152466), (162, 127055), (270, 76233), (405, 50822), (810, 25411)]