20740921340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11652203}}^1$

素因数の和:11652301

約数の個数: 24

約数和(自身を含む): 44045331120

約数和(自身を除く): 23304409780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 11652203, 23304406, 46608812, 58261015, 116522030, 233044060, 1037046067, 2074092134, 4148184268, 5185230335, 10370460670, 20740921340]

約数ペア:

[(1, 20740921340), (2, 10370460670), (4, 5185230335), (5, 4148184268), (10, 2074092134), (20, 1037046067), (89, 233044060), (178, 116522030), (356, 58261015), (445, 46608812), (890, 23304406), (1780, 11652203)]