20494680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{733}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 61832160

約数和(自身を除く): 41337480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 699, 733, 932, 1165, 1398, 1466, 1864, 2199, 2330, 2796, 2932, 3495, 3665, 4398, 4660, 5592, 5864, 6990, 7330, 8796, 9320, 10995, 13980, 14660, 17592, 21990, 27960, 29320, 43980, 87960, 170789, 341578, 512367, 683156, 853945, 1024734, 1366312, 1707890, 2049468, 2561835, 3415780, 4098936, 5123670, 6831560, 10247340, 20494680]

約数ペア:

[(1, 20494680), (2, 10247340), (3, 6831560), (4, 5123670), (5, 4098936), (6, 3415780), (8, 2561835), (10, 2049468), (12, 1707890), (15, 1366312), (20, 1024734), (24, 853945), (30, 683156), (40, 512367), (60, 341578), (120, 170789), (233, 87960), (466, 43980), (699, 29320), (733, 27960), (932, 21990), (1165, 17592), (1398, 14660), (1466, 13980), (1864, 10995), (2199, 9320), (2330, 8796), (2796, 7330), (2932, 6990), (3495, 5864), (3665, 5592), (4398, 4660)]