20160868580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{196003}}^1$

素因数の和:196188

約数の個数: 48

約数和(自身を含む): 43795133760

約数和(自身を除く): 23634265180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 695, 740, 1390, 2780, 5143, 10286, 20572, 25715, 51430, 102860, 196003, 392006, 784012, 980015, 1960030, 3920060, 7252111, 14504222, 27244417, 29008444, 36260555, 54488834, 72521110, 108977668, 136222085, 145042220, 272444170, 544888340, 1008043429, 2016086858, 4032173716, 5040217145, 10080434290, 20160868580]

約数ペア:

[(1, 20160868580), (2, 10080434290), (4, 5040217145), (5, 4032173716), (10, 2016086858), (20, 1008043429), (37, 544888340), (74, 272444170), (139, 145042220), (148, 136222085), (185, 108977668), (278, 72521110), (370, 54488834), (556, 36260555), (695, 29008444), (740, 27244417), (1390, 14504222), (2780, 7252111), (5143, 3920060), (10286, 1960030), (20572, 980015), (25715, 784012), (51430, 392006), (102860, 196003)]