20998920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174991}}^1$

素因数の和:175005

約数の個数: 32

約数和(自身を含む): 62997120

約数和(自身を除く): 41998200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174991, 349982, 524973, 699964, 874955, 1049946, 1399928, 1749910, 2099892, 2624865, 3499820, 4199784, 5249730, 6999640, 10499460, 20998920]

約数ペア:

[(1, 20998920), (2, 10499460), (3, 6999640), (4, 5249730), (5, 4199784), (6, 3499820), (8, 2624865), (10, 2099892), (12, 1749910), (15, 1399928), (20, 1049946), (24, 874955), (30, 699964), (40, 524973), (60, 349982), (120, 174991)]