20199621026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8729309}}^1$

素因数の和:8729413

約数の個数: 16

約数和(自身を含む): 32996791800

約数和(自身を除く): 12797170774

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8729309, 17458618, 113481017, 226962034, 776908501, 1553817002, 10099810513, 20199621026]

約数ペア:

[(1, 20199621026), (2, 10099810513), (13, 1553817002), (26, 776908501), (89, 226962034), (178, 113481017), (1157, 17458618), (2314, 8729309)]