2019962540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1655707}}^1$

素因数の和:1655777

約数の個数: 24

約数和(自身を含む): 4311463632

約数和(自身を除く): 2291501092

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1655707, 3311414, 6622828, 8278535, 16557070, 33114140, 100998127, 201996254, 403992508, 504990635, 1009981270, 2019962540]

約数ペア:

[(1, 2019962540), (2, 1009981270), (4, 504990635), (5, 403992508), (10, 201996254), (20, 100998127), (61, 33114140), (122, 16557070), (244, 8278535), (305, 6622828), (610, 3311414), (1220, 1655707)]