20078049387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1\times {\mathrm{13367}}^1$

素因数の和:15383

約数の個数: 32

約数和(自身を含む): 30491873280

約数和(自身を除く): 10413823893

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 1979, 5937, 13367, 21769, 40101, 45517, 65307, 136551, 147037, 307441, 441111, 500687, 922323, 1502061, 3381851, 10145553, 26453293, 79359879, 290986223, 608425739, 872958669, 1825277217, 6692683129, 20078049387]

約数ペア:

[(1, 20078049387), (3, 6692683129), (11, 1825277217), (23, 872958669), (33, 608425739), (69, 290986223), (253, 79359879), (759, 26453293), (1979, 10145553), (5937, 3381851), (13367, 1502061), (21769, 922323), (40101, 500687), (45517, 441111), (65307, 307441), (136551, 147037)]