20161576816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30734111}}^1$

素因数の和:30734160

約数の個数: 20

約数和(自身を含む): 40015813824

約数和(自身を除く): 19854237008

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30734111, 61468222, 122936444, 245872888, 491745776, 1260098551, 2520197102, 5040394204, 10080788408, 20161576816]

約数ペア:

[(1, 20161576816), (2, 10080788408), (4, 5040394204), (8, 2520197102), (16, 1260098551), (41, 491745776), (82, 245872888), (164, 122936444), (328, 61468222), (656, 30734111)]