20544165

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4954

約数の個数: 32

約数和(自身を含む): 37708800

約数和(自身を除く): 17164635

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4909, 14727, 24545, 44181, 73635, 132543, 152179, 220905, 456537, 662715, 760895, 1369611, 2282685, 4108833, 6848055, 20544165]

約数ペア:

[(1, 20544165), (3, 6848055), (5, 4108833), (9, 2282685), (15, 1369611), (27, 760895), (31, 662715), (45, 456537), (93, 220905), (135, 152179), (155, 132543), (279, 73635), (465, 44181), (837, 24545), (1395, 14727), (4185, 4909)]