20662920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57397}}^1$

素因数の和:57414

約数の個数: 48

約数和(自身を含む): 67155660

約数和(自身を除く): 46492740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57397, 114794, 172191, 229588, 286985, 344382, 459176, 516573, 573970, 688764, 860955, 1033146, 1147940, 1377528, 1721910, 2066292, 2295880, 2582865, 3443820, 4132584, 5165730, 6887640, 10331460, 20662920]

約数ペア:

[(1, 20662920), (2, 10331460), (3, 6887640), (4, 5165730), (5, 4132584), (6, 3443820), (8, 2582865), (9, 2295880), (10, 2066292), (12, 1721910), (15, 1377528), (18, 1147940), (20, 1033146), (24, 860955), (30, 688764), (36, 573970), (40, 516573), (45, 459176), (60, 344382), (72, 286985), (90, 229588), (120, 172191), (180, 114794), (360, 57397)]