20497014

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 46400640

約数和(自身を除く): 25903626

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 109, 186, 218, 279, 327, 337, 558, 654, 674, 981, 1011, 1962, 2022, 3033, 3379, 6066, 6758, 10137, 10447, 20274, 20894, 30411, 31341, 36733, 60822, 62682, 73466, 94023, 110199, 188046, 220398, 330597, 661194, 1138723, 2277446, 3416169, 6832338, 10248507, 20497014]

約数ペア:

[(1, 20497014), (2, 10248507), (3, 6832338), (6, 3416169), (9, 2277446), (18, 1138723), (31, 661194), (62, 330597), (93, 220398), (109, 188046), (186, 110199), (218, 94023), (279, 73466), (327, 62682), (337, 60822), (558, 36733), (654, 31341), (674, 30411), (981, 20894), (1011, 20274), (1962, 10447), (2022, 10137), (3033, 6758), (3379, 6066)]