20095460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13049}}^1$

素因数の和:13076

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 32522140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13049, 26098, 52196, 65245, 91343, 130490, 143539, 182686, 260980, 287078, 365372, 456715, 574156, 717695, 913430, 1004773, 1435390, 1826860, 2009546, 2870780, 4019092, 5023865, 10047730, 20095460]

約数ペア:

[(1, 20095460), (2, 10047730), (4, 5023865), (5, 4019092), (7, 2870780), (10, 2009546), (11, 1826860), (14, 1435390), (20, 1004773), (22, 913430), (28, 717695), (35, 574156), (44, 456715), (55, 365372), (70, 287078), (77, 260980), (110, 182686), (140, 143539), (154, 130490), (220, 91343), (308, 65245), (385, 52196), (770, 26098), (1540, 13049)]