20803475900

素因数分解:

$2^2\times 5^2\times {\mathrm{9859}}^1\times {\mathrm{21101}}^1$

素因数の和:30974

約数の個数: 36

約数和(自身を含む): 45150261240

約数和(自身を除く): 24346785340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 9859, 19718, 21101, 39436, 42202, 49295, 84404, 98590, 105505, 197180, 211010, 246475, 422020, 492950, 527525, 985900, 1055050, 2110100, 208034759, 416069518, 832139036, 1040173795, 2080347590, 4160695180, 5200868975, 10401737950, 20803475900]

約数ペア:

[(1, 20803475900), (2, 10401737950), (4, 5200868975), (5, 4160695180), (10, 2080347590), (20, 1040173795), (25, 832139036), (50, 416069518), (100, 208034759), (9859, 2110100), (19718, 1055050), (21101, 985900), (39436, 527525), (42202, 492950), (49295, 422020), (84404, 246475), (98590, 211010), (105505, 197180)]