20572420970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{237749}}^1$

素因数の和:238282

約数の個数: 32

約数和(自身を含む): 39285810000

約数和(自身を除く): 18713389030

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 509, 1018, 2545, 5090, 8653, 17306, 43265, 86530, 237749, 475498, 1188745, 2377490, 4041733, 8083466, 20208665, 40417330, 121014241, 242028482, 605071205, 1210142410, 2057242097, 4114484194, 10286210485, 20572420970]

約数ペア:

[(1, 20572420970), (2, 10286210485), (5, 4114484194), (10, 2057242097), (17, 1210142410), (34, 605071205), (85, 242028482), (170, 121014241), (509, 40417330), (1018, 20208665), (2545, 8083466), (5090, 4041733), (8653, 2377490), (17306, 1188745), (43265, 475498), (86530, 237749)]