20470384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 43711488

約数和(自身を除く): 23241104

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 1087, 1177, 1712, 2174, 2354, 4348, 4708, 8696, 9416, 11957, 17392, 18832, 23914, 47828, 95656, 116309, 191312, 232618, 465236, 930472, 1279399, 1860944, 2558798, 5117596, 10235192, 20470384]

約数ペア:

[(1, 20470384), (2, 10235192), (4, 5117596), (8, 2558798), (11, 1860944), (16, 1279399), (22, 930472), (44, 465236), (88, 232618), (107, 191312), (176, 116309), (214, 95656), (428, 47828), (856, 23914), (1087, 18832), (1177, 17392), (1712, 11957), (2174, 9416), (2354, 8696), (4348, 4708)]