20722302

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 47135088

約数和(自身を除く): 26412786

約数列:

[1, 2, 3, 6, 9, 18, 41, 43, 82, 86, 123, 129, 246, 258, 369, 387, 653, 738, 774, 1306, 1763, 1959, 3526, 3918, 5289, 5877, 10578, 11754, 15867, 26773, 28079, 31734, 53546, 56158, 80319, 84237, 160638, 168474, 240957, 252711, 481914, 505422, 1151239, 2302478, 3453717, 6907434, 10361151, 20722302]

約数ペア:

[(1, 20722302), (2, 10361151), (3, 6907434), (6, 3453717), (9, 2302478), (18, 1151239), (41, 505422), (43, 481914), (82, 252711), (86, 240957), (123, 168474), (129, 160638), (246, 84237), (258, 80319), (369, 56158), (387, 53546), (653, 31734), (738, 28079), (774, 26773), (1306, 15867), (1763, 11754), (1959, 10578), (3526, 5877), (3918, 5289)]