2016420820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{6151}}^1$

素因数の和:6640

約数の個数: 48

約数和(自身を含む): 4359454848

約数和(自身を除く): 2343034028

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 443, 740, 886, 1772, 2215, 4430, 6151, 8860, 12302, 16391, 24604, 30755, 32782, 61510, 65564, 81955, 123020, 163910, 227587, 327820, 455174, 910348, 1137935, 2275870, 2724893, 4551740, 5449786, 10899572, 13624465, 27248930, 54497860, 100821041, 201642082, 403284164, 504105205, 1008210410, 2016420820]

約数ペア:

[(1, 2016420820), (2, 1008210410), (4, 504105205), (5, 403284164), (10, 201642082), (20, 100821041), (37, 54497860), (74, 27248930), (148, 13624465), (185, 10899572), (370, 5449786), (443, 4551740), (740, 2724893), (886, 2275870), (1772, 1137935), (2215, 910348), (4430, 455174), (6151, 327820), (8860, 227587), (12302, 163910), (16391, 123020), (24604, 81955), (30755, 65564), (32782, 61510)]