20525520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85523}}^1$

素因数の和:85539

約数の個数: 40

約数和(自身を含む): 63629856

約数和(自身を除く): 43104336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85523, 171046, 256569, 342092, 427615, 513138, 684184, 855230, 1026276, 1282845, 1368368, 1710460, 2052552, 2565690, 3420920, 4105104, 5131380, 6841840, 10262760, 20525520]

約数ペア:

[(1, 20525520), (2, 10262760), (3, 6841840), (4, 5131380), (5, 4105104), (6, 3420920), (8, 2565690), (10, 2052552), (12, 1710460), (15, 1368368), (16, 1282845), (20, 1026276), (24, 855230), (30, 684184), (40, 513138), (48, 427615), (60, 342092), (80, 256569), (120, 171046), (240, 85523)]