20556718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 17666642

約数列:

[1, 2, 7, 13, 14, 26, 91, 179, 182, 358, 631, 1253, 1262, 2327, 2506, 4417, 4654, 8203, 8834, 16289, 16406, 32578, 57421, 112949, 114842, 225898, 790643, 1468337, 1581286, 2936674, 10278359, 20556718]

約数ペア:

[(1, 20556718), (2, 10278359), (7, 2936674), (13, 1581286), (14, 1468337), (26, 790643), (91, 225898), (179, 114842), (182, 112949), (358, 57421), (631, 32578), (1253, 16406), (1262, 16289), (2327, 8834), (2506, 8203), (4417, 4654)]