20400550274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{124171}}^1$

素因数の和:124346

約数の個数: 32

約数和(自身を含む): 33794651520

約数和(自身を除く): 13394101246

約数列:

[1, 2, 13, 26, 71, 89, 142, 178, 923, 1157, 1846, 2314, 6319, 12638, 82147, 124171, 164294, 248342, 1614223, 3228446, 8816141, 11051219, 17632282, 22102438, 114609833, 143665847, 229219666, 287331694, 784636549, 1569273098, 10200275137, 20400550274]

約数ペア:

[(1, 20400550274), (2, 10200275137), (13, 1569273098), (26, 784636549), (71, 287331694), (89, 229219666), (142, 143665847), (178, 114609833), (923, 22102438), (1157, 17632282), (1846, 11051219), (2314, 8816141), (6319, 3228446), (12638, 1614223), (82147, 248342), (124171, 164294)]