20491401

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{5843}}^1$

素因数の和:6020

約数の個数: 16

約数和(自身を含む): 31417344

約数和(自身を除く): 10925943

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 5843, 17529, 40901, 122703, 975781, 2927343, 6830467, 20491401]

約数ペア:

[(1, 20491401), (3, 6830467), (7, 2927343), (21, 975781), (167, 122703), (501, 40901), (1169, 17529), (3507, 5843)]