20802063070

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14965513}}^1$

素因数の和:14965659

約数の個数: 16

約数和(自身を含む): 37713095280

約数和(自身を除く): 16911032210

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 14965513, 29931026, 74827565, 149655130, 2080206307, 4160412614, 10401031535, 20802063070]

約数ペア:

[(1, 20802063070), (2, 10401031535), (5, 4160412614), (10, 2080206307), (139, 149655130), (278, 74827565), (695, 29931026), (1390, 14965513)]