20809218

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{182537}}^1$

素因数の和:182561

約数の個数: 16

約数和(自身を含む): 43809120

約数和(自身を除く): 22999902

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 182537, 365074, 547611, 1095222, 3468203, 6936406, 10404609, 20809218]

約数ペア:

[(1, 20809218), (2, 10404609), (3, 6936406), (6, 3468203), (19, 1095222), (38, 547611), (57, 365074), (114, 182537)]