20193673900

素因数分解:

$2^2\times 5^2\times {\mathrm{1993}}^1\times {\mathrm{101323}}^1$

素因数の和:103330

約数の個数: 36

約数和(自身を含む): 43842692152

約数和(自身を除く): 23649018252

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1993, 3986, 7972, 9965, 19930, 39860, 49825, 99650, 101323, 199300, 202646, 405292, 506615, 1013230, 2026460, 2533075, 5066150, 10132300, 201936739, 403873478, 807746956, 1009683695, 2019367390, 4038734780, 5048418475, 10096836950, 20193673900]

約数ペア:

[(1, 20193673900), (2, 10096836950), (4, 5048418475), (5, 4038734780), (10, 2019367390), (20, 1009683695), (25, 807746956), (50, 403873478), (100, 201936739), (1993, 10132300), (3986, 5066150), (7972, 2533075), (9965, 2026460), (19930, 1013230), (39860, 506615), (49825, 405292), (99650, 202646), (101323, 199300)]