201980812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{19207}}^1$

素因数の和:19461

約数の個数: 24

約数和(自身を含む): 387233280

約数和(自身を除く): 185252468

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2629, 5258, 10516, 19207, 38414, 76828, 211277, 422554, 845108, 4590473, 9180946, 18361892, 50495203, 100990406, 201980812]

約数ペア:

[(1, 201980812), (2, 100990406), (4, 50495203), (11, 18361892), (22, 9180946), (44, 4590473), (239, 845108), (478, 422554), (956, 211277), (2629, 76828), (5258, 38414), (10516, 19207)]