20145011984

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6326951}}^1$

素因数の和:6327158

約数の個数: 20

約数和(自身を含む): 39227102400

約数和(自身を除く): 19082090416

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6326951, 12653902, 25307804, 50615608, 101231216, 1259063249, 2518126498, 5036252996, 10072505992, 20145011984]

約数ペア:

[(1, 20145011984), (2, 10072505992), (4, 5036252996), (8, 2518126498), (16, 1259063249), (199, 101231216), (398, 50615608), (796, 25307804), (1592, 12653902), (3184, 6326951)]