20175752408

素因数分解:

$2^3\times 7^1\times {\mathrm{1613}}^1\times {\mathrm{223361}}^1$

素因数の和:224987

約数の個数: 32

約数和(自身を含む): 43260752160

約数和(自身を除く): 23084999752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1613, 3226, 6452, 11291, 12904, 22582, 45164, 90328, 223361, 446722, 893444, 1563527, 1786888, 3127054, 6254108, 12508216, 360281293, 720562586, 1441125172, 2521969051, 2882250344, 5043938102, 10087876204, 20175752408]

約数ペア:

[(1, 20175752408), (2, 10087876204), (4, 5043938102), (7, 2882250344), (8, 2521969051), (14, 1441125172), (28, 720562586), (56, 360281293), (1613, 12508216), (3226, 6254108), (6452, 3127054), (11291, 1786888), (12904, 1563527), (22582, 893444), (45164, 446722), (90328, 223361)]