20937056

素因数分解:

$2^5\times 7^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 26559904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 151, 224, 302, 604, 619, 1057, 1208, 1238, 2114, 2416, 2476, 4228, 4333, 4832, 4952, 8456, 8666, 9904, 16912, 17332, 19808, 33824, 34664, 69328, 93469, 138656, 186938, 373876, 654283, 747752, 1308566, 1495504, 2617132, 2991008, 5234264, 10468528, 20937056]

約数ペア:

[(1, 20937056), (2, 10468528), (4, 5234264), (7, 2991008), (8, 2617132), (14, 1495504), (16, 1308566), (28, 747752), (32, 654283), (56, 373876), (112, 186938), (151, 138656), (224, 93469), (302, 69328), (604, 34664), (619, 33824), (1057, 19808), (1208, 17332), (1238, 16912), (2114, 9904), (2416, 8666), (2476, 8456), (4228, 4952), (4333, 4832)]