20443576

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 39853440

約数和(自身を除く): 19409864

約数列:

[1, 2, 4, 8, 43, 67, 86, 134, 172, 268, 344, 536, 887, 1774, 2881, 3548, 5762, 7096, 11524, 23048, 38141, 59429, 76282, 118858, 152564, 237716, 305128, 475432, 2555447, 5110894, 10221788, 20443576]

約数ペア:

[(1, 20443576), (2, 10221788), (4, 5110894), (8, 2555447), (43, 475432), (67, 305128), (86, 237716), (134, 152564), (172, 118858), (268, 76282), (344, 59429), (536, 38141), (887, 23048), (1774, 11524), (2881, 7096), (3548, 5762)]