20178452

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31333}}^1$

素因数の和:31367

約数の個数: 24

約数和(自身を含む): 42112896

約数和(自身を除く): 21934444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31333, 62666, 125332, 219331, 438662, 720659, 877324, 1441318, 2882636, 5044613, 10089226, 20178452]

約数ペア:

[(1, 20178452), (2, 10089226), (4, 5044613), (7, 2882636), (14, 1441318), (23, 877324), (28, 720659), (46, 438662), (92, 219331), (161, 125332), (322, 62666), (644, 31333)]