20471110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1249}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 40500000

約数和(自身を除く): 20028890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1249, 1490, 1639, 2498, 3278, 6245, 8195, 12490, 13739, 16390, 27478, 68695, 137390, 186101, 372202, 930505, 1861010, 2047111, 4094222, 10235555, 20471110]

約数ペア:

[(1, 20471110), (2, 10235555), (5, 4094222), (10, 2047111), (11, 1861010), (22, 930505), (55, 372202), (110, 186101), (149, 137390), (298, 68695), (745, 27478), (1249, 16390), (1490, 13739), (1639, 12490), (2498, 8195), (3278, 6245)]