20101688745

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3821}}^1\times {\mathrm{9479}}^1$

素因数の和:13345

約数の個数: 32

約数和(自身を含む): 33044094720

約数和(自身を除く): 12942405975

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 3821, 9479, 11463, 19105, 28437, 47395, 57315, 141377, 142185, 350723, 424131, 706885, 1052169, 1753615, 2120655, 5260845, 36219259, 108657777, 181096295, 543288885, 1340112583, 4020337749, 6700562915, 20101688745]

約数ペア:

[(1, 20101688745), (3, 6700562915), (5, 4020337749), (15, 1340112583), (37, 543288885), (111, 181096295), (185, 108657777), (555, 36219259), (3821, 5260845), (9479, 2120655), (11463, 1753615), (19105, 1052169), (28437, 706885), (47395, 424131), (57315, 350723), (141377, 142185)]