20364440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8629}}^1$

素因数の和:8699

約数の個数: 32

約数和(自身を含む): 46602000

約数和(自身を除く): 26237560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8629, 17258, 34516, 43145, 69032, 86290, 172580, 345160, 509111, 1018222, 2036444, 2545555, 4072888, 5091110, 10182220, 20364440]

約数ペア:

[(1, 20364440), (2, 10182220), (4, 5091110), (5, 4072888), (8, 2545555), (10, 2036444), (20, 1018222), (40, 509111), (59, 345160), (118, 172580), (236, 86290), (295, 69032), (472, 43145), (590, 34516), (1180, 17258), (2360, 8629)]