20896459005

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{54437}}^1$

素因数の和:54765

約数の個数: 32

約数和(自身を含む): 33854338944

約数和(自身を除く): 12957879939

約数列:

[1, 3, 5, 15, 157, 163, 471, 489, 785, 815, 2355, 2445, 25591, 54437, 76773, 127955, 163311, 272185, 383865, 816555, 8546609, 8873231, 25639827, 26619693, 42733045, 44366155, 128199135, 133098465, 1393097267, 4179291801, 6965486335, 20896459005]

約数ペア:

[(1, 20896459005), (3, 6965486335), (5, 4179291801), (15, 1393097267), (157, 133098465), (163, 128199135), (471, 44366155), (489, 42733045), (785, 26619693), (815, 25639827), (2355, 8873231), (2445, 8546609), (25591, 816555), (54437, 383865), (76773, 272185), (127955, 163311)]