20984192

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2394

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21427408

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2309, 4544, 4618, 9088, 9236, 18472, 36944, 73888, 147776, 163939, 295552, 327878, 655756, 1311512, 2623024, 5246048, 10492096, 20984192]

約数ペア:

[(1, 20984192), (2, 10492096), (4, 5246048), (8, 2623024), (16, 1311512), (32, 655756), (64, 327878), (71, 295552), (128, 163939), (142, 147776), (284, 73888), (568, 36944), (1136, 18472), (2272, 9236), (2309, 9088), (4544, 4618)]