20152509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 30248064

約数和(自身を除く): 10095555

約数列:

[1, 3, 13, 39, 43, 61, 129, 183, 197, 559, 591, 793, 1677, 2379, 2561, 2623, 7683, 7869, 8471, 12017, 25413, 34099, 36051, 102297, 110123, 156221, 330369, 468663, 516731, 1550193, 6717503, 20152509]

約数ペア:

[(1, 20152509), (3, 6717503), (13, 1550193), (39, 516731), (43, 468663), (61, 330369), (129, 156221), (183, 110123), (197, 102297), (559, 36051), (591, 34099), (793, 25413), (1677, 12017), (2379, 8471), (2561, 7869), (2623, 7683)]