20428095

素因数分解:

$3^1\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{1171}}^1$

素因数の和:2342

約数の個数: 16

約数和(自身を含む): 32740992

約数和(自身を除く): 12312897

約数列:

[1, 3, 5, 15, 1163, 1171, 3489, 3513, 5815, 5855, 17445, 17565, 1361873, 4085619, 6809365, 20428095]

約数ペア:

[(1, 20428095), (3, 6809365), (5, 4085619), (15, 1361873), (1163, 17565), (1171, 17445), (3489, 5855), (3513, 5815)]