220190920

素因数分解:

$2^3\times 5^1\times {\mathrm{5504773}}^1$

素因数の和:5504784

約数の個数: 16

約数和(自身を含む): 495429660

約数和(自身を除く): 275238740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5504773, 11009546, 22019092, 27523865, 44038184, 55047730, 110095460, 220190920]

約数ペア:

[(1, 220190920), (2, 110095460), (4, 55047730), (5, 44038184), (8, 27523865), (10, 22019092), (20, 11009546), (40, 5504773)]