20023768

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 19005992

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 263, 307, 526, 614, 1052, 1228, 2104, 2456, 8153, 9517, 16306, 19034, 32612, 38068, 65224, 76136, 80741, 161482, 322964, 645928, 2502971, 5005942, 10011884, 20023768]

約数ペア:

[(1, 20023768), (2, 10011884), (4, 5005942), (8, 2502971), (31, 645928), (62, 322964), (124, 161482), (248, 80741), (263, 76136), (307, 65224), (526, 38068), (614, 32612), (1052, 19034), (1228, 16306), (2104, 9517), (2456, 8153)]