20186120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8273}}^1$

素因数の和:8345

約数の個数: 32

約数和(自身を含む): 46168920

約数和(自身を除く): 25982800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 8273, 16546, 33092, 41365, 66184, 82730, 165460, 330920, 504653, 1009306, 2018612, 2523265, 4037224, 5046530, 10093060, 20186120]

約数ペア:

[(1, 20186120), (2, 10093060), (4, 5046530), (5, 4037224), (8, 2523265), (10, 2018612), (20, 1009306), (40, 504653), (61, 330920), (122, 165460), (244, 82730), (305, 66184), (488, 41365), (610, 33092), (1220, 16546), (2440, 8273)]