20667618

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6637}}^1$

素因数の和:6818

約数の個数: 24

約数和(自身を含む): 45045468

約数和(自身を除く): 24377850

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6637, 13274, 19911, 39822, 59733, 119466, 1148201, 2296402, 3444603, 6889206, 10333809, 20667618]

約数ペア:

[(1, 20667618), (2, 10333809), (3, 6889206), (6, 3444603), (9, 2296402), (18, 1148201), (173, 119466), (346, 59733), (519, 39822), (1038, 19911), (1557, 13274), (3114, 6637)]