20702060

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6947}}^1$

素因数の和:7105

約数の個数: 24

約数和(自身を含む): 43772400

約数和(自身を除く): 23070340

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6947, 13894, 27788, 34735, 69470, 138940, 1035103, 2070206, 4140412, 5175515, 10351030, 20702060]

約数ペア:

[(1, 20702060), (2, 10351030), (4, 5175515), (5, 4140412), (10, 2070206), (20, 1035103), (149, 138940), (298, 69470), (596, 34735), (745, 27788), (1490, 13894), (2980, 6947)]