20351556

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13147}}^1$

素因数の和:13200

約数の個数: 36

約数和(自身を含む): 52644592

約数和(自身を除く): 32293036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13147, 26294, 39441, 52588, 78882, 118323, 157764, 236646, 473292, 565321, 1130642, 1695963, 2261284, 3391926, 5087889, 6783852, 10175778, 20351556]

約数ペア:

[(1, 20351556), (2, 10175778), (3, 6783852), (4, 5087889), (6, 3391926), (9, 2261284), (12, 1695963), (18, 1130642), (36, 565321), (43, 473292), (86, 236646), (129, 157764), (172, 118323), (258, 78882), (387, 52588), (516, 39441), (774, 26294), (1548, 13147)]