20263491

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1231}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 30750720

約数和(自身を除く): 10487229

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1231, 1829, 3693, 5487, 11079, 16461, 38161, 72629, 114483, 217887, 343449, 653661, 2251499, 6754497, 20263491]

約数ペア:

[(1, 20263491), (3, 6754497), (9, 2251499), (31, 653661), (59, 343449), (93, 217887), (177, 114483), (279, 72629), (531, 38161), (1231, 16461), (1829, 11079), (3693, 5487)]