20685864

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11807}}^1$

素因数の和:11889

約数の個数: 32

約数和(自身を含む): 52427520

約数和(自身を除く): 31741656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11807, 23614, 35421, 47228, 70842, 94456, 141684, 283368, 861911, 1723822, 2585733, 3447644, 5171466, 6895288, 10342932, 20685864]

約数ペア:

[(1, 20685864), (2, 10342932), (3, 6895288), (4, 5171466), (6, 3447644), (8, 2585733), (12, 1723822), (24, 861911), (73, 283368), (146, 141684), (219, 94456), (292, 70842), (438, 47228), (584, 35421), (876, 23614), (1752, 11807)]