20215243784

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{997}}^1\times {\mathrm{23687}}^1$

素因数の和:24797

約数の個数: 32

約数和(自身を含む): 38297810880

約数和(自身を除く): 18082567096

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 997, 1994, 3988, 7976, 23687, 47374, 94748, 106679, 189496, 213358, 426716, 853432, 2534509, 5069018, 10138036, 20276072, 23615939, 47231878, 94463756, 188927512, 2526905473, 5053810946, 10107621892, 20215243784]

約数ペア:

[(1, 20215243784), (2, 10107621892), (4, 5053810946), (8, 2526905473), (107, 188927512), (214, 94463756), (428, 47231878), (856, 23615939), (997, 20276072), (1994, 10138036), (3988, 5069018), (7976, 2534509), (23687, 853432), (47374, 426716), (94748, 213358), (106679, 189496)]