20529828

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{1571}}^1$

素因数の和:1606

約数の個数: 72

約数和(自身を含む): 58541280

約数和(自身を除く): 38011452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 1571, 2178, 3142, 3267, 4356, 4713, 6284, 6534, 9426, 13068, 14139, 17281, 18852, 28278, 34562, 42417, 51843, 56556, 69124, 84834, 103686, 155529, 169668, 190091, 207372, 311058, 380182, 466587, 570273, 622116, 760364, 933174, 1140546, 1710819, 1866348, 2281092, 3421638, 5132457, 6843276, 10264914, 20529828]

約数ペア:

[(1, 20529828), (2, 10264914), (3, 6843276), (4, 5132457), (6, 3421638), (9, 2281092), (11, 1866348), (12, 1710819), (18, 1140546), (22, 933174), (27, 760364), (33, 622116), (36, 570273), (44, 466587), (54, 380182), (66, 311058), (99, 207372), (108, 190091), (121, 169668), (132, 155529), (198, 103686), (242, 84834), (297, 69124), (363, 56556), (396, 51843), (484, 42417), (594, 34562), (726, 28278), (1089, 18852), (1188, 17281), (1452, 14139), (1571, 13068), (2178, 9426), (3142, 6534), (3267, 6284), (4356, 4713)]