20895570

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8599}}^1$

素因数の和:8621

約数の個数: 48

約数和(自身を含む): 56347200

約数和(自身を除く): 35451630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8599, 17198, 25797, 42995, 51594, 77391, 85990, 128985, 154782, 232173, 257970, 386955, 464346, 696519, 773910, 1160865, 1393038, 2089557, 2321730, 3482595, 4179114, 6965190, 10447785, 20895570]

約数ペア:

[(1, 20895570), (2, 10447785), (3, 6965190), (5, 4179114), (6, 3482595), (9, 2321730), (10, 2089557), (15, 1393038), (18, 1160865), (27, 773910), (30, 696519), (45, 464346), (54, 386955), (81, 257970), (90, 232173), (135, 154782), (162, 128985), (243, 85990), (270, 77391), (405, 51594), (486, 42995), (810, 25797), (1215, 17198), (2430, 8599)]