20117686820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13063433}}^1$

素因数の和:13063460

約数の個数: 48

約数和(自身を含む): 52671765888

約数和(自身を除く): 32554079068

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, 13063433, 26126866, 52253732, 65317165, 91444031, 130634330, 143697763, 182888062, 261268660, 287395526, 365776124, 457220155, 574791052, 718488815, 914440310, 1005884341, 1436977630, 1828880620, 2011768682, 2873955260, 4023537364, 5029421705, 10058843410, 20117686820]

約数ペア:

[(1, 20117686820), (2, 10058843410), (4, 5029421705), (5, 4023537364), (7, 2873955260), (10, 2011768682), (11, 1828880620), (14, 1436977630), (20, 1005884341), (22, 914440310), (28, 718488815), (35, 574791052), (44, 457220155), (55, 365776124), (70, 287395526), (77, 261268660), (110, 182888062), (140, 143697763), (154, 130634330), (220, 91444031), (308, 65317165), (385, 52253732), (770, 26126866), (1540, 13063433)]