20702964373

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{1303}}^1\times {\mathrm{24943}}^1$

素因数の和:26273

約数の個数: 24

約数和(自身を含む): 25956526848

約数和(自身を除く): 5253562475

約数列:

[1, 7, 13, 49, 91, 637, 1303, 9121, 16939, 24943, 63847, 118573, 174601, 324259, 830011, 1222207, 2269813, 15888691, 32500729, 227505103, 422509477, 1592535721, 2957566339, 20702964373]

約数ペア:

[(1, 20702964373), (7, 2957566339), (13, 1592535721), (49, 422509477), (91, 227505103), (637, 32500729), (1303, 15888691), (9121, 2269813), (16939, 1222207), (24943, 830011), (63847, 324259), (118573, 174601)]