20175819344

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{400441}}^1$

素因数の和:400563

約数の個数: 40

約数和(自身を含む): 40518323328

約数和(自身を除く): 20342503984

約数列:

[1, 2, 4, 8, 16, 47, 67, 94, 134, 188, 268, 376, 536, 752, 1072, 3149, 6298, 12596, 25192, 50384, 400441, 800882, 1601764, 3203528, 6407056, 18820727, 26829547, 37641454, 53659094, 75282908, 107318188, 150565816, 214636376, 301131632, 429272752, 1260988709, 2521977418, 5043954836, 10087909672, 20175819344]

約数ペア:

[(1, 20175819344), (2, 10087909672), (4, 5043954836), (8, 2521977418), (16, 1260988709), (47, 429272752), (67, 301131632), (94, 214636376), (134, 150565816), (188, 107318188), (268, 75282908), (376, 53659094), (536, 37641454), (752, 26829547), (1072, 18820727), (3149, 6407056), (6298, 3203528), (12596, 1601764), (25192, 800882), (50384, 400441)]