20321010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 54984960

約数和(自身を除く): 34663950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1031, 1095, 1314, 1971, 2062, 2190, 3093, 3285, 3942, 5155, 6186, 6570, 9279, 9855, 10310, 15465, 18558, 19710, 27837, 30930, 46395, 55674, 75263, 92790, 139185, 150526, 225789, 278370, 376315, 451578, 677367, 752630, 1128945, 1354734, 2032101, 2257890, 3386835, 4064202, 6773670, 10160505, 20321010]

約数ペア:

[(1, 20321010), (2, 10160505), (3, 6773670), (5, 4064202), (6, 3386835), (9, 2257890), (10, 2032101), (15, 1354734), (18, 1128945), (27, 752630), (30, 677367), (45, 451578), (54, 376315), (73, 278370), (90, 225789), (135, 150526), (146, 139185), (219, 92790), (270, 75263), (365, 55674), (438, 46395), (657, 30930), (730, 27837), (1031, 19710), (1095, 18558), (1314, 15465), (1971, 10310), (2062, 9855), (2190, 9279), (3093, 6570), (3285, 6186), (3942, 5155)]