20441020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 46041408

約数和(自身を除く): 25600388

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1201, 1702, 2402, 3404, 4255, 4804, 6005, 8510, 12010, 17020, 24020, 27623, 44437, 55246, 88874, 110492, 138115, 177748, 222185, 276230, 444370, 552460, 888740, 1022051, 2044102, 4088204, 5110255, 10220510, 20441020]

約数ペア:

[(1, 20441020), (2, 10220510), (4, 5110255), (5, 4088204), (10, 2044102), (20, 1022051), (23, 888740), (37, 552460), (46, 444370), (74, 276230), (92, 222185), (115, 177748), (148, 138115), (185, 110492), (230, 88874), (370, 55246), (460, 44437), (740, 27623), (851, 24020), (1201, 17020), (1702, 12010), (2402, 8510), (3404, 6005), (4255, 4804)]