20854865654

素因数分解:

$2^1\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{771431}}^1$

素因数の和:773371

約数の個数: 16

約数和(自身を含む): 35769758976

約数和(自身を除く): 14914893322

約数列:

[1, 2, 7, 14, 1931, 3862, 13517, 27034, 771431, 1542862, 5400017, 10800034, 1489633261, 2979266522, 10427432827, 20854865654]

約数ペア:

[(1, 20854865654), (2, 10427432827), (7, 2979266522), (14, 1489633261), (1931, 10800034), (3862, 5400017), (13517, 1542862), (27034, 771431)]