20450313

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19421}}^1$

素因数の和:19446

約数の個数: 20

約数和(自身を含む): 32900868

約数和(自身を除く): 12450555

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19421, 58263, 174789, 252473, 524367, 757419, 1573101, 2272257, 6816771, 20450313]

約数ペア:

[(1, 20450313), (3, 6816771), (9, 2272257), (13, 1573101), (27, 757419), (39, 524367), (81, 252473), (117, 174789), (351, 58263), (1053, 19421)]