20199530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155381}}^1$

素因数の和:155401

約数の個数: 16

約数和(自身を含む): 39156264

約数和(自身を除く): 18956734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155381, 310762, 776905, 1553810, 2019953, 4039906, 10099765, 20199530]

約数ペア:

[(1, 20199530), (2, 10099765), (5, 4039906), (10, 2019953), (13, 1553810), (26, 776905), (65, 310762), (130, 155381)]