20594504

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 45431280

約数和(自身を除く): 24836776

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 491, 749, 856, 982, 1498, 1964, 2996, 3437, 3928, 5243, 5992, 6874, 10486, 13748, 20972, 24059, 27496, 41944, 48118, 52537, 96236, 105074, 192472, 210148, 367759, 420296, 735518, 1471036, 2574313, 2942072, 5148626, 10297252, 20594504]

約数ペア:

[(1, 20594504), (2, 10297252), (4, 5148626), (7, 2942072), (8, 2574313), (14, 1471036), (28, 735518), (49, 420296), (56, 367759), (98, 210148), (107, 192472), (196, 105074), (214, 96236), (392, 52537), (428, 48118), (491, 41944), (749, 27496), (856, 24059), (982, 20972), (1498, 13748), (1964, 10486), (2996, 6874), (3437, 5992), (3928, 5243)]