20210964520

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{517169}}^1$

素因数の和:518157

約数の個数: 32

約数和(自身を含む): 45521303400

約数和(自身を除く): 25310338880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 7816, 9770, 19540, 39080, 517169, 1034338, 2068676, 2585845, 4137352, 5171690, 10343380, 20686760, 505274113, 1010548226, 2021096452, 2526370565, 4042192904, 5052741130, 10105482260, 20210964520]

約数ペア:

[(1, 20210964520), (2, 10105482260), (4, 5052741130), (5, 4042192904), (8, 2526370565), (10, 2021096452), (20, 1010548226), (40, 505274113), (977, 20686760), (1954, 10343380), (3908, 5171690), (4885, 4137352), (7816, 2585845), (9770, 2068676), (19540, 1034338), (39080, 517169)]