20178254890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5160679}}^1$

素因数の和:5160726

約数の個数: 32

約数和(自身を含む): 40129447680

約数和(自身を除く): 19951192790

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5160679, 10321358, 25803395, 51606790, 87731543, 118695617, 175463086, 237391234, 438657715, 593478085, 877315430, 1186956170, 2017825489, 4035650978, 10089127445, 20178254890]

約数ペア:

[(1, 20178254890), (2, 10089127445), (5, 4035650978), (10, 2017825489), (17, 1186956170), (23, 877315430), (34, 593478085), (46, 438657715), (85, 237391234), (115, 175463086), (170, 118695617), (230, 87731543), (391, 51606790), (782, 25803395), (1955, 10321358), (3910, 5160679)]