20817365770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1\times {\mathrm{44959}}^1$

素因数の和:47422

約数の個数: 32

約数和(自身を含む): 39460492800

約数和(自身を除く): 18643127030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2437, 4874, 12185, 24370, 44959, 46303, 89918, 92606, 224795, 231515, 449590, 463030, 854221, 1708442, 4271105, 8542210, 109565083, 219130166, 547825415, 1095650830, 2081736577, 4163473154, 10408682885, 20817365770]

約数ペア:

[(1, 20817365770), (2, 10408682885), (5, 4163473154), (10, 2081736577), (19, 1095650830), (38, 547825415), (95, 219130166), (190, 109565083), (2437, 8542210), (4874, 4271105), (12185, 1708442), (24370, 854221), (44959, 463030), (46303, 449590), (89918, 231515), (92606, 224795)]