20804065628

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{1171}}^1\times {\mathrm{120041}}^1$

素因数の和:121253

約数の個数: 24

約数和(自身を含む): 37423333584

約数和(自身を除く): 16619267956

約数列:

[1, 2, 4, 37, 74, 148, 1171, 2342, 4684, 43327, 86654, 120041, 173308, 240082, 480164, 4441517, 8883034, 17766068, 140568011, 281136022, 562272044, 5201016407, 10402032814, 20804065628]

約数ペア:

[(1, 20804065628), (2, 10402032814), (4, 5201016407), (37, 562272044), (74, 281136022), (148, 140568011), (1171, 17766068), (2342, 8883034), (4684, 4441517), (43327, 480164), (86654, 240082), (120041, 173308)]