20401404

素因数分解:

$2^2\times 3^1\times {\mathrm{487}}^1\times {\mathrm{3491}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 47714688

約数和(自身を除く): 27313284

約数列:

[1, 2, 3, 4, 6, 12, 487, 974, 1461, 1948, 2922, 3491, 5844, 6982, 10473, 13964, 20946, 41892, 1700117, 3400234, 5100351, 6800468, 10200702, 20401404]

約数ペア:

[(1, 20401404), (2, 10200702), (3, 6800468), (4, 5100351), (6, 3400234), (12, 1700117), (487, 41892), (974, 20946), (1461, 13964), (1948, 10473), (2922, 6982), (3491, 5844)]