20894110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 39831840

約数和(自身を除く): 18937730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 277, 397, 554, 794, 1385, 1985, 2770, 3970, 5263, 7543, 10526, 15086, 26315, 37715, 52630, 75430, 109969, 219938, 549845, 1099690, 2089411, 4178822, 10447055, 20894110]

約数ペア:

[(1, 20894110), (2, 10447055), (5, 4178822), (10, 2089411), (19, 1099690), (38, 549845), (95, 219938), (190, 109969), (277, 75430), (397, 52630), (554, 37715), (794, 26315), (1385, 15086), (1985, 10526), (2770, 7543), (3970, 5263)]