20151362

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20491198

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 71, 77, 97, 133, 142, 154, 194, 209, 266, 418, 497, 679, 781, 994, 1067, 1349, 1358, 1463, 1562, 1843, 2134, 2698, 2926, 3686, 5467, 6887, 7469, 9443, 10934, 12901, 13774, 14839, 14938, 18886, 20273, 25802, 29678, 40546, 48209, 75757, 96418, 103873, 130853, 141911, 151514, 207746, 261706, 283822, 530299, 915971, 1060598, 1439383, 1831942, 2878766, 10075681, 20151362]

約数ペア:

[(1, 20151362), (2, 10075681), (7, 2878766), (11, 1831942), (14, 1439383), (19, 1060598), (22, 915971), (38, 530299), (71, 283822), (77, 261706), (97, 207746), (133, 151514), (142, 141911), (154, 130853), (194, 103873), (209, 96418), (266, 75757), (418, 48209), (497, 40546), (679, 29678), (781, 25802), (994, 20273), (1067, 18886), (1349, 14938), (1358, 14839), (1463, 13774), (1562, 12901), (1843, 10934), (2134, 9443), (2698, 7469), (2926, 6887), (3686, 5467)]