20666148

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{90641}}^1$

素因数の和:90667

約数の個数: 24

約数和(自身を含む): 50759520

約数和(自身を除く): 30093372

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 90641, 181282, 271923, 362564, 543846, 1087692, 1722179, 3444358, 5166537, 6888716, 10333074, 20666148]

約数ペア:

[(1, 20666148), (2, 10333074), (3, 6888716), (4, 5166537), (6, 3444358), (12, 1722179), (19, 1087692), (38, 543846), (57, 362564), (76, 271923), (114, 181282), (228, 90641)]