20167518728

素因数分解:

$2^3\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{253081}}^1$

素因数の和:254517

約数の個数: 32

約数和(自身を含む): 43246652160

約数和(自身を除く): 23079133432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1423, 2846, 5692, 9961, 11384, 19922, 39844, 79688, 253081, 506162, 1012324, 1771567, 2024648, 3543134, 7086268, 14172536, 360134263, 720268526, 1440537052, 2520939841, 2881074104, 5041879682, 10083759364, 20167518728]

約数ペア:

[(1, 20167518728), (2, 10083759364), (4, 5041879682), (7, 2881074104), (8, 2520939841), (14, 1440537052), (28, 720268526), (56, 360134263), (1423, 14172536), (2846, 7086268), (5692, 3543134), (9961, 2024648), (11384, 1771567), (19922, 1012324), (39844, 506162), (79688, 253081)]