20199705615

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2452909}}^1$

素因数の和:2452984

約数の個数: 32

約数和(自身を含む): 36499300800

約数和(自身を除く): 16299595185

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 2452909, 7358727, 12264545, 22076181, 36793635, 66228543, 110380905, 149627449, 331142715, 448882347, 748137245, 1346647041, 2244411735, 4039941123, 6733235205, 20199705615]

約数ペア:

[(1, 20199705615), (3, 6733235205), (5, 4039941123), (9, 2244411735), (15, 1346647041), (27, 748137245), (45, 448882347), (61, 331142715), (135, 149627449), (183, 110380905), (305, 66228543), (549, 36793635), (915, 22076181), (1647, 12264545), (2745, 7358727), (8235, 2452909)]