20487160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8681}}^1$

素因数の和:8751

約数の個数: 32

約数和(自身を含む): 46882800

約数和(自身を除く): 26395640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8681, 17362, 34724, 43405, 69448, 86810, 173620, 347240, 512179, 1024358, 2048716, 2560895, 4097432, 5121790, 10243580, 20487160]

約数ペア:

[(1, 20487160), (2, 10243580), (4, 5121790), (5, 4097432), (8, 2560895), (10, 2048716), (20, 1024358), (40, 512179), (59, 347240), (118, 173620), (236, 86810), (295, 69448), (472, 43405), (590, 34724), (1180, 17362), (2360, 8681)]