20229993

素因数分解:

$3^5\times 7^2\times {\mathrm{1699}}^1$

素因数の和:1728

約数の個数: 36

約数和(自身を含む): 35271600

約数和(自身を除く): 15041607

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1699, 1701, 3969, 5097, 11893, 11907, 15291, 35679, 45873, 83251, 107037, 137619, 249753, 321111, 412857, 749259, 963333, 2247777, 2889999, 6743331, 20229993]

約数ペア:

[(1, 20229993), (3, 6743331), (7, 2889999), (9, 2247777), (21, 963333), (27, 749259), (49, 412857), (63, 321111), (81, 249753), (147, 137619), (189, 107037), (243, 83251), (441, 45873), (567, 35679), (1323, 15291), (1699, 11907), (1701, 11893), (3969, 5097)]