20522640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 64067328

約数和(自身を除く): 43544688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 233, 240, 367, 466, 699, 734, 932, 1101, 1165, 1398, 1468, 1835, 1864, 2202, 2330, 2796, 2936, 3495, 3670, 3728, 4404, 4660, 5505, 5592, 5872, 6990, 7340, 8808, 9320, 11010, 11184, 13980, 14680, 17616, 18640, 22020, 27960, 29360, 44040, 55920, 85511, 88080, 171022, 256533, 342044, 427555, 513066, 684088, 855110, 1026132, 1282665, 1368176, 1710220, 2052264, 2565330, 3420440, 4104528, 5130660, 6840880, 10261320, 20522640]

約数ペア:

[(1, 20522640), (2, 10261320), (3, 6840880), (4, 5130660), (5, 4104528), (6, 3420440), (8, 2565330), (10, 2052264), (12, 1710220), (15, 1368176), (16, 1282665), (20, 1026132), (24, 855110), (30, 684088), (40, 513066), (48, 427555), (60, 342044), (80, 256533), (120, 171022), (233, 88080), (240, 85511), (367, 55920), (466, 44040), (699, 29360), (734, 27960), (932, 22020), (1101, 18640), (1165, 17616), (1398, 14680), (1468, 13980), (1835, 11184), (1864, 11010), (2202, 9320), (2330, 8808), (2796, 7340), (2936, 6990), (3495, 5872), (3670, 5592), (3728, 5505), (4404, 4660)]