20862495

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6719}}^1$

素因数の和:6756

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17844705

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6719, 20157, 33595, 60471, 100785, 154537, 181413, 302355, 463611, 772685, 907065, 1390833, 2318055, 4172499, 6954165, 20862495]

約数ペア:

[(1, 20862495), (3, 6954165), (5, 4172499), (9, 2318055), (15, 1390833), (23, 907065), (27, 772685), (45, 463611), (69, 302355), (115, 181413), (135, 154537), (207, 100785), (345, 60471), (621, 33595), (1035, 20157), (3105, 6719)]