20289336

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{17987}}^1$

素因数の和:18043

約数の個数: 32

約数和(自身を含む): 51805440

約数和(自身を除く): 31516104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 17987, 35974, 53961, 71948, 107922, 143896, 215844, 431688, 845389, 1690778, 2536167, 3381556, 5072334, 6763112, 10144668, 20289336]

約数ペア:

[(1, 20289336), (2, 10144668), (3, 6763112), (4, 5072334), (6, 3381556), (8, 2536167), (12, 1690778), (24, 845389), (47, 431688), (94, 215844), (141, 143896), (188, 107922), (282, 71948), (376, 53961), (564, 35974), (1128, 17987)]