20116250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 120

約数和(自身を含む): 49859040

約数和(自身を除く): 29742790

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 50, 55, 70, 77, 95, 110, 121, 125, 133, 154, 175, 190, 209, 242, 250, 266, 275, 350, 385, 418, 475, 550, 605, 625, 665, 770, 847, 875, 950, 1045, 1210, 1250, 1330, 1375, 1463, 1694, 1750, 1925, 2090, 2299, 2375, 2750, 2926, 3025, 3325, 3850, 4235, 4375, 4598, 4750, 5225, 6050, 6650, 6875, 7315, 8470, 8750, 9625, 10450, 11495, 11875, 13750, 14630, 15125, 16093, 16625, 19250, 21175, 22990, 23750, 26125, 30250, 32186, 33250, 36575, 42350, 48125, 52250, 57475, 73150, 75625, 80465, 83125, 96250, 105875, 114950, 130625, 151250, 160930, 166250, 182875, 211750, 261250, 287375, 365750, 402325, 529375, 574750, 804650, 914375, 1058750, 1436875, 1828750, 2011625, 2873750, 4023250, 10058125, 20116250]

約数ペア:

[(1, 20116250), (2, 10058125), (5, 4023250), (7, 2873750), (10, 2011625), (11, 1828750), (14, 1436875), (19, 1058750), (22, 914375), (25, 804650), (35, 574750), (38, 529375), (50, 402325), (55, 365750), (70, 287375), (77, 261250), (95, 211750), (110, 182875), (121, 166250), (125, 160930), (133, 151250), (154, 130625), (175, 114950), (190, 105875), (209, 96250), (242, 83125), (250, 80465), (266, 75625), (275, 73150), (350, 57475), (385, 52250), (418, 48125), (475, 42350), (550, 36575), (605, 33250), (625, 32186), (665, 30250), (770, 26125), (847, 23750), (875, 22990), (950, 21175), (1045, 19250), (1210, 16625), (1250, 16093), (1330, 15125), (1375, 14630), (1463, 13750), (1694, 11875), (1750, 11495), (1925, 10450), (2090, 9625), (2299, 8750), (2375, 8470), (2750, 7315), (2926, 6875), (3025, 6650), (3325, 6050), (3850, 5225), (4235, 4750), (4375, 4598)]