20213115916

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{104729}}^1$

素因数の和:104914

約数の個数: 48

約数和(自身を含む): 41452971840

約数和(自身を除く): 21239855924

約数列:

[1, 2, 4, 7, 14, 28, 61, 113, 122, 226, 244, 427, 452, 791, 854, 1582, 1708, 3164, 6893, 13786, 27572, 48251, 96502, 104729, 193004, 209458, 418916, 733103, 1466206, 2932412, 6388469, 11834377, 12776938, 23668754, 25553876, 44719283, 47337508, 82840639, 89438566, 165681278, 178877132, 331362556, 721896997, 1443793994, 2887587988, 5053278979, 10106557958, 20213115916]

約数ペア:

[(1, 20213115916), (2, 10106557958), (4, 5053278979), (7, 2887587988), (14, 1443793994), (28, 721896997), (61, 331362556), (113, 178877132), (122, 165681278), (226, 89438566), (244, 82840639), (427, 47337508), (452, 44719283), (791, 25553876), (854, 23668754), (1582, 12776938), (1708, 11834377), (3164, 6388469), (6893, 2932412), (13786, 1466206), (27572, 733103), (48251, 418916), (96502, 209458), (104729, 193004)]