20495566

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5927}}^1$

素因数の和:5968

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 19340594

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5927, 11854, 41489, 77051, 82978, 112613, 154102, 225226, 539357, 788291, 1078714, 1463969, 1576582, 2927938, 10247783, 20495566]

約数ペア:

[(1, 20495566), (2, 10247783), (7, 2927938), (13, 1576582), (14, 1463969), (19, 1078714), (26, 788291), (38, 539357), (91, 225226), (133, 154102), (182, 112613), (247, 82978), (266, 77051), (494, 41489), (1729, 11854), (3458, 5927)]