20504178

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5503}}^1$

素因数の和:5540

約数の個数: 40

約数和(自身を含む): 47950848

約数和(自身を除く): 27446670

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5503, 11006, 16509, 33018, 49527, 99054, 126569, 148581, 253138, 297162, 379707, 445743, 759414, 891486, 1139121, 2278242, 3417363, 6834726, 10252089, 20504178]

約数ペア:

[(1, 20504178), (2, 10252089), (3, 6834726), (6, 3417363), (9, 2278242), (18, 1139121), (23, 891486), (27, 759414), (46, 445743), (54, 379707), (69, 297162), (81, 253138), (138, 148581), (162, 126569), (207, 99054), (414, 49527), (621, 33018), (1242, 16509), (1863, 11006), (3726, 5503)]