20122665

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 13504215

約数列:

[1, 3, 5, 15, 29, 87, 145, 167, 277, 435, 501, 831, 835, 1385, 2505, 4155, 4843, 8033, 14529, 24099, 24215, 40165, 46259, 72645, 120495, 138777, 231295, 693885, 1341511, 4024533, 6707555, 20122665]

約数ペア:

[(1, 20122665), (3, 6707555), (5, 4024533), (15, 1341511), (29, 693885), (87, 231295), (145, 138777), (167, 120495), (277, 72645), (435, 46259), (501, 40165), (831, 24215), (835, 24099), (1385, 14529), (2505, 8033), (4155, 4843)]