20179245879

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1223207}}^1$

素因数の和:1223276

約数の個数: 32

約数和(自身を含む): 32879831040

約数和(自身を除く): 12700585161

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 5499, 16497, 1223207, 3669621, 11008863, 15901691, 33026589, 47705073, 57490729, 143115219, 172472187, 429345657, 517416561, 747379477, 1552249683, 2242138431, 6726415293, 20179245879]

約数ペア:

[(1, 20179245879), (3, 6726415293), (9, 2242138431), (13, 1552249683), (27, 747379477), (39, 517416561), (47, 429345657), (117, 172472187), (141, 143115219), (351, 57490729), (423, 47705073), (611, 33026589), (1269, 15901691), (1833, 11008863), (5499, 3669621), (16497, 1223207)]