20651364

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 34123356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 131, 151, 174, 261, 262, 302, 348, 393, 453, 522, 524, 604, 786, 906, 1044, 1179, 1359, 1572, 1812, 2358, 2718, 3799, 4379, 4716, 5436, 7598, 8758, 11397, 13137, 15196, 17516, 19781, 22794, 26274, 34191, 39411, 39562, 45588, 52548, 59343, 68382, 78822, 79124, 118686, 136764, 157644, 178029, 237372, 356058, 573649, 712116, 1147298, 1720947, 2294596, 3441894, 5162841, 6883788, 10325682, 20651364]

約数ペア:

[(1, 20651364), (2, 10325682), (3, 6883788), (4, 5162841), (6, 3441894), (9, 2294596), (12, 1720947), (18, 1147298), (29, 712116), (36, 573649), (58, 356058), (87, 237372), (116, 178029), (131, 157644), (151, 136764), (174, 118686), (261, 79124), (262, 78822), (302, 68382), (348, 59343), (393, 52548), (453, 45588), (522, 39562), (524, 39411), (604, 34191), (786, 26274), (906, 22794), (1044, 19781), (1179, 17516), (1359, 15196), (1572, 13137), (1812, 11397), (2358, 8758), (2718, 7598), (3799, 5436), (4379, 4716)]