20663820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{114799}}^1$

素因数の和:114814

約数の個数: 36

約数和(自身を含む): 62680800

約数和(自身を除く): 42016980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 114799, 229598, 344397, 459196, 573995, 688794, 1033191, 1147990, 1377588, 1721985, 2066382, 2295980, 3443970, 4132764, 5165955, 6887940, 10331910, 20663820]

約数ペア:

[(1, 20663820), (2, 10331910), (3, 6887940), (4, 5165955), (5, 4132764), (6, 3443970), (9, 2295980), (10, 2066382), (12, 1721985), (15, 1377588), (18, 1147990), (20, 1033191), (30, 688794), (36, 573995), (45, 459196), (60, 344397), (90, 229598), (180, 114799)]