20012778

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{761}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 44622720

約数和(自身を除く): 24609942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 761, 974, 1461, 1522, 2283, 2922, 4383, 4566, 6849, 8766, 13149, 13698, 20547, 26298, 41094, 370607, 741214, 1111821, 2223642, 3335463, 6670926, 10006389, 20012778]

約数ペア:

[(1, 20012778), (2, 10006389), (3, 6670926), (6, 3335463), (9, 2223642), (18, 1111821), (27, 741214), (54, 370607), (487, 41094), (761, 26298), (974, 20547), (1461, 13698), (1522, 13149), (2283, 8766), (2922, 6849), (4383, 4566)]