20374352

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20337328

約数列:

[1, 2, 4, 8, 16, 59, 113, 118, 191, 226, 236, 382, 452, 472, 764, 904, 944, 1528, 1808, 3056, 6667, 11269, 13334, 21583, 22538, 26668, 43166, 45076, 53336, 86332, 90152, 106672, 172664, 180304, 345328, 1273397, 2546794, 5093588, 10187176, 20374352]

約数ペア:

[(1, 20374352), (2, 10187176), (4, 5093588), (8, 2546794), (16, 1273397), (59, 345328), (113, 180304), (118, 172664), (191, 106672), (226, 90152), (236, 86332), (382, 53336), (452, 45076), (472, 43166), (764, 26668), (904, 22538), (944, 21583), (1528, 13334), (1808, 11269), (3056, 6667)]