20702260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60889}}^1$

素因数の和:60915

約数の個数: 24

約数和(自身を含む): 46032840

約数和(自身を除く): 25330580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60889, 121778, 243556, 304445, 608890, 1035113, 1217780, 2070226, 4140452, 5175565, 10351130, 20702260]

約数ペア:

[(1, 20702260), (2, 10351130), (4, 5175565), (5, 4140452), (10, 2070226), (17, 1217780), (20, 1035113), (34, 608890), (68, 304445), (85, 243556), (170, 121778), (340, 60889)]