20248859020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2104871}}^1$

素因数の和:2104930

約数の個数: 48

約数和(自身を含む): 47031259968

約数和(自身を除く): 26782400948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 2104871, 4209742, 8419484, 10524355, 21048710, 27363323, 42097420, 54726646, 77880227, 109453292, 136816615, 155760454, 273633230, 311520908, 389401135, 547266460, 778802270, 1012442951, 1557604540, 2024885902, 4049771804, 5062214755, 10124429510, 20248859020]

約数ペア:

[(1, 20248859020), (2, 10124429510), (4, 5062214755), (5, 4049771804), (10, 2024885902), (13, 1557604540), (20, 1012442951), (26, 778802270), (37, 547266460), (52, 389401135), (65, 311520908), (74, 273633230), (130, 155760454), (148, 136816615), (185, 109453292), (260, 77880227), (370, 54726646), (481, 42097420), (740, 27363323), (962, 21048710), (1924, 10524355), (2405, 8419484), (4810, 4209742), (9620, 2104871)]