20377899

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13241}}^1$

素因数の和:13272

約数の個数: 20

約数和(自身を含む): 32045640

約数和(自身を除く): 11667741

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13241, 39723, 119169, 251579, 357507, 754737, 1072521, 2264211, 6792633, 20377899]

約数ペア:

[(1, 20377899), (3, 6792633), (9, 2264211), (19, 1072521), (27, 754737), (57, 357507), (81, 251579), (171, 119169), (513, 39723), (1539, 13241)]