20453811

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12329}}^1$

素因数の和:12418

約数の個数: 16

約数和(自身を含む): 31564800

約数和(自身を除く): 11110989

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12329, 36987, 86303, 258909, 973991, 2921973, 6817937, 20453811]

約数ペア:

[(1, 20453811), (3, 6817937), (7, 2921973), (21, 973991), (79, 258909), (237, 86303), (553, 36987), (1659, 12329)]