20280862

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2239}}^1$

素因数の和:2895

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 14555618

約数列:

[1, 2, 7, 14, 647, 1294, 2239, 4478, 4529, 9058, 15673, 31346, 1448633, 2897266, 10140431, 20280862]

約数ペア:

[(1, 20280862), (2, 10140431), (7, 2897266), (14, 1448633), (647, 31346), (1294, 15673), (2239, 9058), (4478, 4529)]