20513115700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2664041}}^1$

素因数の和:2664073

約数の個数: 72

約数和(自身を含む): 55497322944

約数和(自身を除く): 34984207244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 2664041, 5328082, 10656164, 13320205, 18648287, 26640410, 29304451, 37296574, 53280820, 58608902, 66601025, 74593148, 93241435, 117217804, 133202050, 146522255, 186482870, 205131157, 266404100, 293044510, 372965740, 410262314, 466207175, 586089020, 732611275, 820524628, 932414350, 1025655785, 1465222550, 1864828700, 2051311570, 2930445100, 4102623140, 5128278925, 10256557850, 20513115700]

約数ペア:

[(1, 20513115700), (2, 10256557850), (4, 5128278925), (5, 4102623140), (7, 2930445100), (10, 2051311570), (11, 1864828700), (14, 1465222550), (20, 1025655785), (22, 932414350), (25, 820524628), (28, 732611275), (35, 586089020), (44, 466207175), (50, 410262314), (55, 372965740), (70, 293044510), (77, 266404100), (100, 205131157), (110, 186482870), (140, 146522255), (154, 133202050), (175, 117217804), (220, 93241435), (275, 74593148), (308, 66601025), (350, 58608902), (385, 53280820), (550, 37296574), (700, 29304451), (770, 26640410), (1100, 18648287), (1540, 13320205), (1925, 10656164), (3850, 5328082), (7700, 2664041)]