20272545

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6529}}^1$

素因数の和:6566

約数の個数: 32

約数和(自身を含む): 37612800

約数和(自身を除く): 17340255

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6529, 19587, 32645, 58761, 97935, 150167, 176283, 293805, 450501, 750835, 881415, 1351503, 2252505, 4054509, 6757515, 20272545]

約数ペア:

[(1, 20272545), (3, 6757515), (5, 4054509), (9, 2252505), (15, 1351503), (23, 881415), (27, 750835), (45, 450501), (69, 293805), (115, 176283), (135, 150167), (207, 97935), (345, 58761), (621, 32645), (1035, 19587), (3105, 6529)]