20866450682

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2221253}}^1$

素因数の和:2221334

約数の個数: 32

約数和(自身を含む): 39662711424

約数和(自身を除く): 18796260742

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 4697, 9394, 2221253, 4442506, 15548771, 24433783, 31097542, 48867566, 135496433, 171036481, 270992866, 342072962, 948475031, 1490460763, 1896950062, 2980921526, 10433225341, 20866450682]

約数ペア:

[(1, 20866450682), (2, 10433225341), (7, 2980921526), (11, 1896950062), (14, 1490460763), (22, 948475031), (61, 342072962), (77, 270992866), (122, 171036481), (154, 135496433), (427, 48867566), (671, 31097542), (854, 24433783), (1342, 15548771), (4697, 4442506), (9394, 2221253)]