20541898083

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1103}}^1\times {\mathrm{6983}}^1$

素因数の和:8223

約数の個数: 32

約数和(自身を含む): 31581536256

約数和(自身を除く): 11039638173

約数列:

[1, 3, 7, 21, 127, 381, 889, 1103, 2667, 3309, 6983, 7721, 20949, 23163, 48881, 140081, 146643, 420243, 886841, 980567, 2660523, 2941701, 6207887, 7702249, 18623661, 23106747, 53915743, 161747229, 978185623, 2934556869, 6847299361, 20541898083]

約数ペア:

[(1, 20541898083), (3, 6847299361), (7, 2934556869), (21, 978185623), (127, 161747229), (381, 53915743), (889, 23106747), (1103, 18623661), (2667, 7702249), (3309, 6207887), (6983, 2941701), (7721, 2660523), (20949, 980567), (23163, 886841), (48881, 420243), (140081, 146643)]