20203378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 35392896

約数和(自身を除く): 15189518

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1063, 1118, 1462, 2126, 9503, 13819, 18071, 19006, 27638, 36142, 45709, 91418, 234923, 469846, 594217, 777053, 1188434, 1554106, 10101689, 20203378]

約数ペア:

[(1, 20203378), (2, 10101689), (13, 1554106), (17, 1188434), (26, 777053), (34, 594217), (43, 469846), (86, 234923), (221, 91418), (442, 45709), (559, 36142), (731, 27638), (1063, 19006), (1118, 18071), (1462, 13819), (2126, 9503)]