20931148

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43973}}^1$

素因数の和:44001

約数の個数: 24

約数和(自身を含む): 44325792

約数和(自身を除く): 23394644

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43973, 87946, 175892, 307811, 615622, 747541, 1231244, 1495082, 2990164, 5232787, 10465574, 20931148]

約数ペア:

[(1, 20931148), (2, 10465574), (4, 5232787), (7, 2990164), (14, 1495082), (17, 1231244), (28, 747541), (34, 615622), (68, 307811), (119, 175892), (238, 87946), (476, 43973)]