20669412

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 50605632

約数和(自身を除く): 29936220

約数列:

[1, 2, 3, 4, 6, 12, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 492, 516, 977, 1763, 1954, 2931, 3526, 3908, 5289, 5862, 7052, 10578, 11724, 21156, 40057, 42011, 80114, 84022, 120171, 126033, 160228, 168044, 240342, 252066, 480684, 504132, 1722451, 3444902, 5167353, 6889804, 10334706, 20669412]

約数ペア:

[(1, 20669412), (2, 10334706), (3, 6889804), (4, 5167353), (6, 3444902), (12, 1722451), (41, 504132), (43, 480684), (82, 252066), (86, 240342), (123, 168044), (129, 160228), (164, 126033), (172, 120171), (246, 84022), (258, 80114), (492, 42011), (516, 40057), (977, 21156), (1763, 11724), (1954, 10578), (2931, 7052), (3526, 5862), (3908, 5289)]