20678430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1439}}^1$

素因数の和:1928

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 29087970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 479, 958, 1437, 1439, 2395, 2874, 2878, 4317, 4790, 7185, 7195, 8634, 14370, 14390, 21585, 43170, 689281, 1378562, 2067843, 3446405, 4135686, 6892810, 10339215, 20678430]

約数ペア:

[(1, 20678430), (2, 10339215), (3, 6892810), (5, 4135686), (6, 3446405), (10, 2067843), (15, 1378562), (30, 689281), (479, 43170), (958, 21585), (1437, 14390), (1439, 14370), (2395, 8634), (2874, 7195), (2878, 7185), (4317, 4790)]