20614576

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 41425920

約数和(自身を除く): 20811344

約数列:

[1, 2, 4, 8, 16, 47, 79, 94, 158, 188, 316, 347, 376, 632, 694, 752, 1264, 1388, 2776, 3713, 5552, 7426, 14852, 16309, 27413, 29704, 32618, 54826, 59408, 65236, 109652, 130472, 219304, 260944, 438608, 1288411, 2576822, 5153644, 10307288, 20614576]

約数ペア:

[(1, 20614576), (2, 10307288), (4, 5153644), (8, 2576822), (16, 1288411), (47, 438608), (79, 260944), (94, 219304), (158, 130472), (188, 109652), (316, 65236), (347, 59408), (376, 54826), (632, 32618), (694, 29704), (752, 27413), (1264, 16309), (1388, 14852), (2776, 7426), (3713, 5552)]