20687214

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 42666624

約数和(自身を除く): 21979410

約数列:

[1, 2, 3, 6, 43, 86, 129, 181, 258, 362, 443, 543, 886, 1086, 1329, 2658, 7783, 15566, 19049, 23349, 38098, 46698, 57147, 80183, 114294, 160366, 240549, 481098, 3447869, 6895738, 10343607, 20687214]

約数ペア:

[(1, 20687214), (2, 10343607), (3, 6895738), (6, 3447869), (43, 481098), (86, 240549), (129, 160366), (181, 114294), (258, 80183), (362, 57147), (443, 46698), (543, 38098), (886, 23349), (1086, 19049), (1329, 15566), (2658, 7783)]