20090638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13455602

約数列:

[1, 2, 19, 23, 38, 46, 127, 181, 254, 362, 437, 874, 2413, 2921, 3439, 4163, 4826, 5842, 6878, 8326, 22987, 45974, 55499, 79097, 110998, 158194, 436753, 528701, 873506, 1057402, 10045319, 20090638]

約数ペア:

[(1, 20090638), (2, 10045319), (19, 1057402), (23, 873506), (38, 528701), (46, 436753), (127, 158194), (181, 110998), (254, 79097), (362, 55499), (437, 45974), (874, 22987), (2413, 8326), (2921, 6878), (3439, 5842), (4163, 4826)]