20008625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1794

約数の個数: 32

約数和(自身を含む): 30750720

約数和(自身を除く): 10742095

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 875, 1625, 1759, 2275, 8795, 11375, 12313, 22867, 43975, 61565, 114335, 160069, 219875, 307825, 571675, 800345, 1539125, 2858375, 4001725, 20008625]

約数ペア:

[(1, 20008625), (5, 4001725), (7, 2858375), (13, 1539125), (25, 800345), (35, 571675), (65, 307825), (91, 219875), (125, 160069), (175, 114335), (325, 61565), (455, 43975), (875, 22867), (1625, 12313), (1759, 11375), (2275, 8795)]