20253805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2179}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 28723680

約数和(自身を除く): 8469875

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 2179, 9295, 10895, 23969, 28327, 119845, 141635, 311597, 368251, 1557985, 1841255, 4050761, 20253805]

約数ペア:

[(1, 20253805), (5, 4050761), (11, 1841255), (13, 1557985), (55, 368251), (65, 311597), (143, 141635), (169, 119845), (715, 28327), (845, 23969), (1859, 10895), (2179, 9295)]