20162865980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1379129}}^1$

素因数の和:1379198

約数の個数: 48

約数和(自身を含む): 45875380320

約数和(自身を除く): 25712514340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1379129, 2758258, 5516516, 6895645, 13791290, 23445193, 27582580, 46890386, 59302547, 93780772, 117225965, 118605094, 234451930, 237210188, 296512735, 468903860, 593025470, 1008143299, 1186050940, 2016286598, 4032573196, 5040716495, 10081432990, 20162865980]

約数ペア:

[(1, 20162865980), (2, 10081432990), (4, 5040716495), (5, 4032573196), (10, 2016286598), (17, 1186050940), (20, 1008143299), (34, 593025470), (43, 468903860), (68, 296512735), (85, 237210188), (86, 234451930), (170, 118605094), (172, 117225965), (215, 93780772), (340, 59302547), (430, 46890386), (731, 27582580), (860, 23445193), (1462, 13791290), (2924, 6895645), (3655, 5516516), (7310, 2758258), (14620, 1379129)]