20612330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 42107040

約数和(自身を除く): 21494710

約数列:

[1, 2, 5, 10, 17, 29, 34, 37, 58, 74, 85, 113, 145, 170, 185, 226, 290, 370, 493, 565, 629, 986, 1073, 1130, 1258, 1921, 2146, 2465, 3145, 3277, 3842, 4181, 4930, 5365, 6290, 6554, 8362, 9605, 10730, 16385, 18241, 19210, 20905, 32770, 36482, 41810, 55709, 71077, 91205, 111418, 121249, 142154, 182410, 242498, 278545, 355385, 557090, 606245, 710770, 1212490, 2061233, 4122466, 10306165, 20612330]

約数ペア:

[(1, 20612330), (2, 10306165), (5, 4122466), (10, 2061233), (17, 1212490), (29, 710770), (34, 606245), (37, 557090), (58, 355385), (74, 278545), (85, 242498), (113, 182410), (145, 142154), (170, 121249), (185, 111418), (226, 91205), (290, 71077), (370, 55709), (493, 41810), (565, 36482), (629, 32770), (986, 20905), (1073, 19210), (1130, 18241), (1258, 16385), (1921, 10730), (2146, 9605), (2465, 8362), (3145, 6554), (3277, 6290), (3842, 5365), (4181, 4930)]