20318417

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1511}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 4502575

約数列:

[1, 7, 17, 113, 119, 791, 1511, 1921, 10577, 13447, 25687, 170743, 179809, 1195201, 2902631, 20318417]

約数ペア:

[(1, 20318417), (7, 2902631), (17, 1195201), (113, 179809), (119, 170743), (791, 25687), (1511, 13447), (1921, 10577)]