20794790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 38967264

約数和(自身を除く): 18172474

約数列:

[1, 2, 5, 10, 41, 67, 82, 134, 205, 335, 410, 670, 757, 1514, 2747, 3785, 5494, 7570, 13735, 27470, 31037, 50719, 62074, 101438, 155185, 253595, 310370, 507190, 2079479, 4158958, 10397395, 20794790]

約数ペア:

[(1, 20794790), (2, 10397395), (5, 4158958), (10, 2079479), (41, 507190), (67, 310370), (82, 253595), (134, 155185), (205, 101438), (335, 62074), (410, 50719), (670, 31037), (757, 27470), (1514, 13735), (2747, 7570), (3785, 5494)]