20843968

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4861}}^1$

素因数の和:4940

約数の個数: 28

約数和(自身を含む): 41988232

約数和(自身を除く): 21144264

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4861, 9722, 19444, 38888, 77776, 155552, 311104, 325687, 651374, 1302748, 2605496, 5210992, 10421984, 20843968]

約数ペア:

[(1, 20843968), (2, 10421984), (4, 5210992), (8, 2605496), (16, 1302748), (32, 651374), (64, 325687), (67, 311104), (134, 155552), (268, 77776), (536, 38888), (1072, 19444), (2144, 9722), (4288, 4861)]