20102498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9787}}^1$

素因数の和:9881

約数の個数: 16

約数和(自身を含む): 32887680

約数和(自身を除く): 12785182

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9787, 19574, 127231, 254462, 773173, 1546346, 10051249, 20102498]

約数ペア:

[(1, 20102498), (2, 10051249), (13, 1546346), (26, 773173), (79, 254462), (158, 127231), (1027, 19574), (2054, 9787)]