2018654420

素因数分解:

$2^2\times 5^1\times {\mathrm{11251}}^1\times {\mathrm{8971}}^1$

素因数の和:20231

約数の個数: 24

約数和(自身を含む): 4240023648

約数和(自身を除く): 2221369228

約数列:

[1, 2, 4, 5, 10, 20, 8971, 11251, 17942, 22502, 35884, 44855, 45004, 56255, 89710, 112510, 179420, 225020, 100932721, 201865442, 403730884, 504663605, 1009327210, 2018654420]

約数ペア:

[(1, 2018654420), (2, 1009327210), (4, 504663605), (5, 403730884), (10, 201865442), (20, 100932721), (8971, 225020), (11251, 179420), (17942, 112510), (22502, 89710), (35884, 56255), (44855, 45004)]