20625982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15299138

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 971, 1118, 1634, 1942, 10621, 12623, 18449, 21242, 25246, 36898, 41753, 83506, 239837, 479674, 542789, 793307, 1085578, 1586614, 10312991, 20625982]

約数ペア:

[(1, 20625982), (2, 10312991), (13, 1586614), (19, 1085578), (26, 793307), (38, 542789), (43, 479674), (86, 239837), (247, 83506), (494, 41753), (559, 36898), (817, 25246), (971, 21242), (1118, 18449), (1634, 12623), (1942, 10621)]