20359336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7879}}^1$

素因数の和:7921

約数の個数: 32

約数和(自身を含む): 42552000

約数和(自身を除く): 22192664

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7879, 15758, 31516, 63032, 133943, 149701, 267886, 299402, 535772, 598804, 1071544, 1197608, 2544917, 5089834, 10179668, 20359336]

約数ペア:

[(1, 20359336), (2, 10179668), (4, 5089834), (8, 2544917), (17, 1197608), (19, 1071544), (34, 598804), (38, 535772), (68, 299402), (76, 267886), (136, 149701), (152, 133943), (323, 63032), (646, 31516), (1292, 15758), (2584, 7879)]