20215173860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{461323}}^1$

素因数の和:461652

約数の個数: 48

約数和(自身を含む): 48671527296

約数和(自身を除く): 28456353436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 1252, 1565, 2191, 3130, 4382, 6260, 8764, 10955, 21910, 43820, 461323, 922646, 1845292, 2306615, 3229261, 4613230, 6458522, 9226460, 12917044, 16146305, 32292610, 64585220, 144394099, 288788198, 577576396, 721970495, 1010758693, 1443940990, 2021517386, 2887881980, 4043034772, 5053793465, 10107586930, 20215173860]

約数ペア:

[(1, 20215173860), (2, 10107586930), (4, 5053793465), (5, 4043034772), (7, 2887881980), (10, 2021517386), (14, 1443940990), (20, 1010758693), (28, 721970495), (35, 577576396), (70, 288788198), (140, 144394099), (313, 64585220), (626, 32292610), (1252, 16146305), (1565, 12917044), (2191, 9226460), (3130, 6458522), (4382, 4613230), (6260, 3229261), (8764, 2306615), (10955, 1845292), (21910, 922646), (43820, 461323)]