20227768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4337}}^1$

素因数の和:4407

約数の個数: 32

約数和(自身を含む): 42165360

約数和(自身を除く): 21937592

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4337, 4664, 8674, 17348, 34696, 47707, 95414, 190828, 229861, 381656, 459722, 919444, 1838888, 2528471, 5056942, 10113884, 20227768]

約数ペア:

[(1, 20227768), (2, 10113884), (4, 5056942), (8, 2528471), (11, 1838888), (22, 919444), (44, 459722), (53, 381656), (88, 229861), (106, 190828), (212, 95414), (424, 47707), (583, 34696), (1166, 17348), (2332, 8674), (4337, 4664)]