20867568

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 36985872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 107, 136, 204, 214, 239, 272, 321, 408, 428, 478, 642, 717, 816, 856, 956, 1284, 1434, 1712, 1819, 1912, 2568, 2868, 3638, 3824, 4063, 5136, 5457, 5736, 7276, 8126, 10914, 11472, 12189, 14552, 16252, 21828, 24378, 25573, 29104, 32504, 43656, 48756, 51146, 65008, 76719, 87312, 97512, 102292, 153438, 195024, 204584, 306876, 409168, 434741, 613752, 869482, 1227504, 1304223, 1738964, 2608446, 3477928, 5216892, 6955856, 10433784, 20867568]

約数ペア:

[(1, 20867568), (2, 10433784), (3, 6955856), (4, 5216892), (6, 3477928), (8, 2608446), (12, 1738964), (16, 1304223), (17, 1227504), (24, 869482), (34, 613752), (48, 434741), (51, 409168), (68, 306876), (102, 204584), (107, 195024), (136, 153438), (204, 102292), (214, 97512), (239, 87312), (272, 76719), (321, 65008), (408, 51146), (428, 48756), (478, 43656), (642, 32504), (717, 29104), (816, 25573), (856, 24378), (956, 21828), (1284, 16252), (1434, 14552), (1712, 12189), (1819, 11472), (1912, 10914), (2568, 8126), (2868, 7276), (3638, 5736), (3824, 5457), (4063, 5136)]