20784190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3061}}^1$

素因数の和:3172

約数の個数: 32

約数和(自身を含む): 43210944

約数和(自身を除く): 22426754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3061, 3395, 6122, 6790, 15305, 21427, 30610, 42854, 107135, 214270, 296917, 593834, 1484585, 2078419, 2969170, 4156838, 10392095, 20784190]

約数ペア:

[(1, 20784190), (2, 10392095), (5, 4156838), (7, 2969170), (10, 2078419), (14, 1484585), (35, 593834), (70, 296917), (97, 214270), (194, 107135), (485, 42854), (679, 30610), (970, 21427), (1358, 15305), (3061, 6790), (3395, 6122)]