20350220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 46938528

約数和(自身を除く): 26588308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 233, 397, 466, 794, 932, 1165, 1588, 1985, 2330, 2563, 3970, 4367, 4660, 5126, 7940, 8734, 10252, 12815, 17468, 21835, 25630, 43670, 51260, 87340, 92501, 185002, 370004, 462505, 925010, 1017511, 1850020, 2035022, 4070044, 5087555, 10175110, 20350220]

約数ペア:

[(1, 20350220), (2, 10175110), (4, 5087555), (5, 4070044), (10, 2035022), (11, 1850020), (20, 1017511), (22, 925010), (44, 462505), (55, 370004), (110, 185002), (220, 92501), (233, 87340), (397, 51260), (466, 43670), (794, 25630), (932, 21835), (1165, 17468), (1588, 12815), (1985, 10252), (2330, 8734), (2563, 7940), (3970, 5126), (4367, 4660)]