20145707211

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1\times {\mathrm{53441}}^1$

素因数の和:54099

約数の個数: 32

約数和(自身を含む): 31808678400

約数和(自身を除く): 11662971189

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 619, 1857, 4333, 12999, 17951, 53441, 53853, 125657, 160323, 374087, 376971, 1122261, 1549789, 4649367, 10848523, 32545569, 33079979, 99239937, 231559853, 694679559, 959319391, 2877958173, 6715235737, 20145707211]

約数ペア:

[(1, 20145707211), (3, 6715235737), (7, 2877958173), (21, 959319391), (29, 694679559), (87, 231559853), (203, 99239937), (609, 33079979), (619, 32545569), (1857, 10848523), (4333, 4649367), (12999, 1549789), (17951, 1122261), (53441, 376971), (53853, 374087), (125657, 160323)]