20411128

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{907}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 40042800

約数和(自身を除く): 19631672

約数列:

[1, 2, 4, 8, 29, 58, 97, 116, 194, 232, 388, 776, 907, 1814, 2813, 3628, 5626, 7256, 11252, 22504, 26303, 52606, 87979, 105212, 175958, 210424, 351916, 703832, 2551391, 5102782, 10205564, 20411128]

約数ペア:

[(1, 20411128), (2, 10205564), (4, 5102782), (8, 2551391), (29, 703832), (58, 351916), (97, 210424), (116, 175958), (194, 105212), (232, 87979), (388, 52606), (776, 26303), (907, 22504), (1814, 11252), (2813, 7256), (3628, 5626)]