20772468

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 55135080

約数和(自身を除く): 34362612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 101, 116, 174, 197, 202, 261, 303, 348, 394, 404, 522, 591, 606, 788, 909, 1044, 1182, 1212, 1773, 1818, 2364, 2929, 3546, 3636, 5713, 5858, 7092, 8787, 11426, 11716, 17139, 17574, 19897, 22852, 26361, 34278, 35148, 39794, 51417, 52722, 59691, 68556, 79588, 102834, 105444, 119382, 179073, 205668, 238764, 358146, 577013, 716292, 1154026, 1731039, 2308052, 3462078, 5193117, 6924156, 10386234, 20772468]

約数ペア:

[(1, 20772468), (2, 10386234), (3, 6924156), (4, 5193117), (6, 3462078), (9, 2308052), (12, 1731039), (18, 1154026), (29, 716292), (36, 577013), (58, 358146), (87, 238764), (101, 205668), (116, 179073), (174, 119382), (197, 105444), (202, 102834), (261, 79588), (303, 68556), (348, 59691), (394, 52722), (404, 51417), (522, 39794), (591, 35148), (606, 34278), (788, 26361), (909, 22852), (1044, 19897), (1182, 17574), (1212, 17139), (1773, 11716), (1818, 11426), (2364, 8787), (2929, 7092), (3546, 5858), (3636, 5713)]