20408916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{154613}}^1$

素因数の和:154631

約数の個数: 24

約数和(自身を含む): 51950304

約数和(自身を除く): 31541388

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 154613, 309226, 463839, 618452, 927678, 1700743, 1855356, 3401486, 5102229, 6802972, 10204458, 20408916]

約数ペア:

[(1, 20408916), (2, 10204458), (3, 6802972), (4, 5102229), (6, 3401486), (11, 1855356), (12, 1700743), (22, 927678), (33, 618452), (44, 463839), (66, 309226), (132, 154613)]