2021680940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5320213}}^1$

素因数の和:5320241

約数の個数: 24

約数和(自身を含む): 4468979760

約数和(自身を除く): 2447298820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5320213, 10640426, 21280852, 26601065, 53202130, 101084047, 106404260, 202168094, 404336188, 505420235, 1010840470, 2021680940]

約数ペア:

[(1, 2021680940), (2, 1010840470), (4, 505420235), (5, 404336188), (10, 202168094), (19, 106404260), (20, 101084047), (38, 53202130), (76, 26601065), (95, 21280852), (190, 10640426), (380, 5320213)]