20187514

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4931}}^1$

素因数の和:5045

約数の個数: 16

約数和(自身を含む): 31959360

約数和(自身を除く): 11771846

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 4931, 9862, 113413, 226826, 438859, 877718, 10093757, 20187514]

約数ペア:

[(1, 20187514), (2, 10093757), (23, 877718), (46, 438859), (89, 226826), (178, 113413), (2047, 9862), (4094, 4931)]