20455110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17483}}^1$

素因数の和:17509

約数の個数: 48

約数和(自身を含む): 57277584

約数和(自身を除く): 36822474

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17483, 34966, 52449, 87415, 104898, 157347, 174830, 227279, 262245, 314694, 454558, 524490, 681837, 786735, 1136395, 1363674, 1573470, 2045511, 2272790, 3409185, 4091022, 6818370, 10227555, 20455110]

約数ペア:

[(1, 20455110), (2, 10227555), (3, 6818370), (5, 4091022), (6, 3409185), (9, 2272790), (10, 2045511), (13, 1573470), (15, 1363674), (18, 1136395), (26, 786735), (30, 681837), (39, 524490), (45, 454558), (65, 314694), (78, 262245), (90, 227279), (117, 174830), (130, 157347), (195, 104898), (234, 87415), (390, 52449), (585, 34966), (1170, 17483)]