20863092840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{412967}}^1$

素因数の和:413402

約数の個数: 64

約数和(自身を含む): 62738098560

約数和(自身を除く): 41875005720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 3368, 4210, 5052, 6315, 8420, 10104, 12630, 16840, 25260, 50520, 412967, 825934, 1238901, 1651868, 2064835, 2477802, 3303736, 4129670, 4955604, 6194505, 8259340, 9911208, 12389010, 16518680, 24778020, 49556040, 173859107, 347718214, 521577321, 695436428, 869295535, 1043154642, 1390872856, 1738591070, 2086309284, 2607886605, 3477182140, 4172618568, 5215773210, 6954364280, 10431546420, 20863092840]

約数ペア:

[(1, 20863092840), (2, 10431546420), (3, 6954364280), (4, 5215773210), (5, 4172618568), (6, 3477182140), (8, 2607886605), (10, 2086309284), (12, 1738591070), (15, 1390872856), (20, 1043154642), (24, 869295535), (30, 695436428), (40, 521577321), (60, 347718214), (120, 173859107), (421, 49556040), (842, 24778020), (1263, 16518680), (1684, 12389010), (2105, 9911208), (2526, 8259340), (3368, 6194505), (4210, 4955604), (5052, 4129670), (6315, 3303736), (8420, 2477802), (10104, 2064835), (12630, 1651868), (16840, 1238901), (25260, 825934), (50520, 412967)]