20131878680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6894479}}^1$

素因数の和:6894563

約数の個数: 32

約数和(自身を含む): 45917236800

約数和(自身を除く): 25785358120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6894479, 13788958, 27577916, 34472395, 55155832, 68944790, 137889580, 275779160, 503296967, 1006593934, 2013187868, 2516484835, 4026375736, 5032969670, 10065939340, 20131878680]

約数ペア:

[(1, 20131878680), (2, 10065939340), (4, 5032969670), (5, 4026375736), (8, 2516484835), (10, 2013187868), (20, 1006593934), (40, 503296967), (73, 275779160), (146, 137889580), (292, 68944790), (365, 55155832), (584, 34472395), (730, 27577916), (1460, 13788958), (2920, 6894479)]