20199837

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18149}}^1$

素因数の和:18212

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 11163363

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18149, 54447, 127043, 381129, 961897, 2885691, 6733279, 20199837]

約数ペア:

[(1, 20199837), (3, 6733279), (7, 2885691), (21, 961897), (53, 381129), (159, 127043), (371, 54447), (1113, 18149)]