20012216

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1871}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 23118664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 1871, 2674, 3742, 5348, 7484, 10696, 13097, 14968, 26194, 52388, 104776, 357361, 714722, 1429444, 2501527, 2858888, 5003054, 10006108, 20012216]

約数ペア:

[(1, 20012216), (2, 10006108), (4, 5003054), (7, 2858888), (8, 2501527), (14, 1429444), (28, 714722), (56, 357361), (191, 104776), (382, 52388), (764, 26194), (1337, 14968), (1528, 13097), (1871, 10696), (2674, 7484), (3742, 5348)]