20035405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16223}}^1$

素因数の和:16260

約数の個数: 16

約数和(自身を含む): 27256320

約数和(自身を除く): 7220915

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16223, 81115, 210899, 308237, 1054495, 1541185, 4007081, 20035405]

約数ペア:

[(1, 20035405), (5, 4007081), (13, 1541185), (19, 1054495), (65, 308237), (95, 210899), (247, 81115), (1235, 16223)]