20754314

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 19888246

約数列:

[1, 2, 7, 14, 17, 29, 31, 34, 58, 62, 97, 119, 194, 203, 217, 238, 406, 434, 493, 527, 679, 899, 986, 1054, 1358, 1649, 1798, 2813, 3007, 3298, 3451, 3689, 5626, 6014, 6293, 6902, 7378, 11543, 12586, 15283, 19691, 21049, 23086, 30566, 39382, 42098, 47821, 51119, 87203, 95642, 102238, 106981, 174406, 213962, 334747, 357833, 610421, 669494, 715666, 1220842, 1482451, 2964902, 10377157, 20754314]

約数ペア:

[(1, 20754314), (2, 10377157), (7, 2964902), (14, 1482451), (17, 1220842), (29, 715666), (31, 669494), (34, 610421), (58, 357833), (62, 334747), (97, 213962), (119, 174406), (194, 106981), (203, 102238), (217, 95642), (238, 87203), (406, 51119), (434, 47821), (493, 42098), (527, 39382), (679, 30566), (899, 23086), (986, 21049), (1054, 19691), (1358, 15283), (1649, 12586), (1798, 11543), (2813, 7378), (3007, 6902), (3298, 6293), (3451, 6014), (3689, 5626)]