20050160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1483}}^1$

素因数の和:1522

約数の個数: 60

約数和(自身を含む): 50512392

約数和(自身を除く): 30462232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1483, 1690, 2704, 2966, 3380, 5932, 6760, 7415, 11864, 13520, 14830, 19279, 23728, 29660, 38558, 59320, 77116, 96395, 118640, 154232, 192790, 250627, 308464, 385580, 501254, 771160, 1002508, 1253135, 1542320, 2005016, 2506270, 4010032, 5012540, 10025080, 20050160]

約数ペア:

[(1, 20050160), (2, 10025080), (4, 5012540), (5, 4010032), (8, 2506270), (10, 2005016), (13, 1542320), (16, 1253135), (20, 1002508), (26, 771160), (40, 501254), (52, 385580), (65, 308464), (80, 250627), (104, 192790), (130, 154232), (169, 118640), (208, 96395), (260, 77116), (338, 59320), (520, 38558), (676, 29660), (845, 23728), (1040, 19279), (1352, 14830), (1483, 13520), (1690, 11864), (2704, 7415), (2966, 6760), (3380, 5932)]