381602020

素因数分解:

$2^2\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{6961}}^1$

素因数の和:9711

約数の個数: 24

約数和(自身を含む): 801771768

約数和(自身を除く): 420169748

約数列:

[1, 2, 4, 5, 10, 20, 2741, 5482, 6961, 10964, 13705, 13922, 27410, 27844, 34805, 54820, 69610, 139220, 19080101, 38160202, 76320404, 95400505, 190801010, 381602020]

約数ペア:

[(1, 381602020), (2, 190801010), (4, 95400505), (5, 76320404), (10, 38160202), (20, 19080101), (2741, 139220), (5482, 69610), (6961, 54820), (10964, 34805), (13705, 27844), (13922, 27410)]