20122752380

素因数分解:

$2^2\times 5^1\times {\mathrm{3491}}^1\times {\mathrm{288209}}^1$

素因数の和:291709

約数の個数: 24

約数和(自身を含む): 42270031440

約数和(自身を除く): 22147279060

約数列:

[1, 2, 4, 5, 10, 20, 3491, 6982, 13964, 17455, 34910, 69820, 288209, 576418, 1152836, 1441045, 2882090, 5764180, 1006137619, 2012275238, 4024550476, 5030688095, 10061376190, 20122752380]

約数ペア:

[(1, 20122752380), (2, 10061376190), (4, 5030688095), (5, 4024550476), (10, 2012275238), (20, 1006137619), (3491, 5764180), (6982, 2882090), (13964, 1441045), (17455, 1152836), (34910, 576418), (69820, 288209)]