20818506

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3851}}^1$

素因数の和:3926

約数の個数: 32

約数和(自身を含む): 44929728

約数和(自身を除く): 24111222

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 159, 318, 901, 1802, 2703, 3851, 5406, 7702, 11553, 23106, 65467, 130934, 196401, 204103, 392802, 408206, 612309, 1224618, 3469751, 6939502, 10409253, 20818506]

約数ペア:

[(1, 20818506), (2, 10409253), (3, 6939502), (6, 3469751), (17, 1224618), (34, 612309), (51, 408206), (53, 392802), (102, 204103), (106, 196401), (159, 130934), (318, 65467), (901, 23106), (1802, 11553), (2703, 7702), (3851, 5406)]