20506596

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 54519360

約数和(自身を除く): 34012764

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 121, 132, 174, 242, 319, 348, 363, 484, 487, 638, 726, 957, 974, 1276, 1452, 1461, 1914, 1948, 2922, 3509, 3828, 5357, 5844, 7018, 10527, 10714, 14036, 14123, 16071, 21054, 21428, 28246, 32142, 42108, 42369, 56492, 58927, 64284, 84738, 117854, 155353, 169476, 176781, 235708, 310706, 353562, 466059, 621412, 707124, 932118, 1708883, 1864236, 3417766, 5126649, 6835532, 10253298, 20506596]

約数ペア:

[(1, 20506596), (2, 10253298), (3, 6835532), (4, 5126649), (6, 3417766), (11, 1864236), (12, 1708883), (22, 932118), (29, 707124), (33, 621412), (44, 466059), (58, 353562), (66, 310706), (87, 235708), (116, 176781), (121, 169476), (132, 155353), (174, 117854), (242, 84738), (319, 64284), (348, 58927), (363, 56492), (484, 42369), (487, 42108), (638, 32142), (726, 28246), (957, 21428), (974, 21054), (1276, 16071), (1452, 14123), (1461, 14036), (1914, 10714), (1948, 10527), (2922, 7018), (3509, 5844), (3828, 5357)]