20147900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1783}}^1$

素因数の和:1910

約数の個数: 36

約数和(自身を含む): 44132592

約数和(自身を除く): 23984692

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1783, 2260, 2825, 3566, 5650, 7132, 8915, 11300, 17830, 35660, 44575, 89150, 178300, 201479, 402958, 805916, 1007395, 2014790, 4029580, 5036975, 10073950, 20147900]

約数ペア:

[(1, 20147900), (2, 10073950), (4, 5036975), (5, 4029580), (10, 2014790), (20, 1007395), (25, 805916), (50, 402958), (100, 201479), (113, 178300), (226, 89150), (452, 44575), (565, 35660), (1130, 17830), (1783, 11300), (2260, 8915), (2825, 7132), (3566, 5650)]