20569505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6131}}^1$

素因数の和:6208

約数の個数: 16

約数和(自身を含む): 27373248

約数和(自身を除く): 6803743

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 6131, 30655, 67441, 337205, 373991, 1869955, 4113901, 20569505]

約数ペア:

[(1, 20569505), (5, 4113901), (11, 1869955), (55, 373991), (61, 337205), (305, 67441), (671, 30655), (3355, 6131)]