20561909402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{53117}}^1$

素因数の和:53366

約数の個数: 32

約数和(自身を含む): 33196625280

約数和(自身を除く): 12634715878

約数列:

[1, 2, 19, 38, 61, 122, 167, 334, 1159, 2318, 3173, 6346, 10187, 20374, 53117, 106234, 193553, 387106, 1009223, 2018446, 3240137, 6480274, 8870539, 17741078, 61562603, 123125206, 168540241, 337080482, 541102879, 1082205758, 10280954701, 20561909402]

約数ペア:

[(1, 20561909402), (2, 10280954701), (19, 1082205758), (38, 541102879), (61, 337080482), (122, 168540241), (167, 123125206), (334, 61562603), (1159, 17741078), (2318, 8870539), (3173, 6480274), (6346, 3240137), (10187, 2018446), (20374, 1009223), (53117, 387106), (106234, 193553)]