20666908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9377}}^1$

素因数の和:9429

約数の個数: 24

約数和(自身を含む): 39387600

約数和(自身を除く): 18720692

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9377, 18754, 37508, 178163, 271933, 356326, 543866, 712652, 1087732, 5166727, 10333454, 20666908]

約数ペア:

[(1, 20666908), (2, 10333454), (4, 5166727), (19, 1087732), (29, 712652), (38, 543866), (58, 356326), (76, 271933), (116, 178163), (551, 37508), (1102, 18754), (2204, 9377)]