20878648

素因数分解:

$2^3\times 7^1\times {\mathrm{372833}}^1$

素因数の和:372846

約数の個数: 16

約数和(自身を含む): 44740080

約数和(自身を除く): 23861432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 372833, 745666, 1491332, 2609831, 2982664, 5219662, 10439324, 20878648]

約数ペア:

[(1, 20878648), (2, 10439324), (4, 5219662), (7, 2982664), (8, 2609831), (14, 1491332), (28, 745666), (56, 372833)]