20548110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 54618624

約数和(自身を除く): 34070514

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 877, 1065, 1562, 1754, 2130, 2343, 2631, 3905, 4385, 4686, 5262, 7810, 8770, 9647, 11715, 13155, 19294, 23430, 26310, 28941, 48235, 57882, 62267, 96470, 124534, 144705, 186801, 289410, 311335, 373602, 622670, 684937, 934005, 1369874, 1868010, 2054811, 3424685, 4109622, 6849370, 10274055, 20548110]

約数ペア:

[(1, 20548110), (2, 10274055), (3, 6849370), (5, 4109622), (6, 3424685), (10, 2054811), (11, 1868010), (15, 1369874), (22, 934005), (30, 684937), (33, 622670), (55, 373602), (66, 311335), (71, 289410), (110, 186801), (142, 144705), (165, 124534), (213, 96470), (330, 62267), (355, 57882), (426, 48235), (710, 28941), (781, 26310), (877, 23430), (1065, 19294), (1562, 13155), (1754, 11715), (2130, 9647), (2343, 8770), (2631, 7810), (3905, 5262), (4385, 4686)]