20271901

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2710499

約数列:

[1, 13, 23, 151, 299, 449, 1963, 3473, 5837, 10327, 45149, 67799, 134251, 881387, 1559377, 20271901]

約数ペア:

[(1, 20271901), (13, 1559377), (23, 881387), (151, 134251), (299, 67799), (449, 45149), (1963, 10327), (3473, 5837)]