20219150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 44059680

約数和(自身を除く): 23840530

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 175, 205, 287, 350, 410, 574, 1025, 1409, 1435, 2050, 2818, 2870, 7045, 7175, 9863, 14090, 14350, 19726, 35225, 49315, 57769, 70450, 98630, 115538, 246575, 288845, 404383, 493150, 577690, 808766, 1444225, 2021915, 2888450, 4043830, 10109575, 20219150]

約数ペア:

[(1, 20219150), (2, 10109575), (5, 4043830), (7, 2888450), (10, 2021915), (14, 1444225), (25, 808766), (35, 577690), (41, 493150), (50, 404383), (70, 288845), (82, 246575), (175, 115538), (205, 98630), (287, 70450), (350, 57769), (410, 49315), (574, 35225), (1025, 19726), (1409, 14350), (1435, 14090), (2050, 9863), (2818, 7175), (2870, 7045)]