2020078035

素因数分解:

$3^4\times 5^1\times {\mathrm{4987847}}^1$

素因数の和:4987864

約数の個数: 20

約数和(自身を含む): 3621177648

約数和(自身を除く): 1601099613

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4987847, 14963541, 24939235, 44890623, 74817705, 134671869, 224453115, 404015607, 673359345, 2020078035]

約数ペア:

[(1, 2020078035), (3, 673359345), (5, 404015607), (9, 224453115), (15, 134671869), (27, 74817705), (45, 44890623), (81, 24939235), (135, 14963541), (405, 4987847)]