20870101

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 25570944

約数和(自身を除く): 4700843

約数列:

[1, 7, 17, 83, 119, 581, 1411, 2113, 9877, 14791, 35921, 175379, 251447, 1227653, 2981443, 20870101]

約数ペア:

[(1, 20870101), (7, 2981443), (17, 1227653), (83, 251447), (119, 175379), (581, 35921), (1411, 14791), (2113, 9877)]