20867896

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1951}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 44974080

約数和(自身を除く): 24106184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 1951, 2674, 3902, 5348, 7804, 10696, 13657, 15608, 27314, 54628, 109256, 372641, 745282, 1490564, 2608487, 2981128, 5216974, 10433948, 20867896]

約数ペア:

[(1, 20867896), (2, 10433948), (4, 5216974), (7, 2981128), (8, 2608487), (14, 1490564), (28, 745282), (56, 372641), (191, 109256), (382, 54628), (764, 27314), (1337, 15608), (1528, 13657), (1951, 10696), (2674, 7804), (3902, 5348)]