20197820924

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1\times {\mathrm{1087}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 36562649088

約数和(自身を除く): 16364828164

約数列:

[1, 2, 4, 37, 74, 148, 223, 446, 563, 892, 1087, 1126, 2174, 2252, 4348, 8251, 16502, 20831, 33004, 40219, 41662, 80438, 83324, 125549, 160876, 242401, 251098, 484802, 502196, 611981, 969604, 1223962, 2447924, 4645313, 8968837, 9290626, 17937674, 18581252, 22643297, 35875348, 45286594, 90573188, 136471763, 272943526, 545887052, 5049455231, 10098910462, 20197820924]

約数ペア:

[(1, 20197820924), (2, 10098910462), (4, 5049455231), (37, 545887052), (74, 272943526), (148, 136471763), (223, 90573188), (446, 45286594), (563, 35875348), (892, 22643297), (1087, 18581252), (1126, 17937674), (2174, 9290626), (2252, 8968837), (4348, 4645313), (8251, 2447924), (16502, 1223962), (20831, 969604), (33004, 611981), (40219, 502196), (41662, 484802), (80438, 251098), (83324, 242401), (125549, 160876)]