20199006478

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:734

約数の個数: 96

約数和(自身を含む): 37054195200

約数和(自身を除く): 16855188722

約数列:

[1, 2, 7, 14, 37, 49, 59, 74, 98, 118, 259, 263, 359, 413, 518, 526, 718, 826, 1813, 1841, 2183, 2513, 2891, 3626, 3682, 4366, 5026, 5782, 9731, 12887, 13283, 15281, 15517, 17591, 19462, 21181, 25774, 26566, 30562, 31034, 35182, 42362, 68117, 92981, 94417, 106967, 108619, 136234, 148267, 185962, 188834, 213934, 217238, 296534, 476819, 574129, 650867, 660919, 760333, 783697, 953638, 1037869, 1148258, 1301734, 1321838, 1520666, 1567394, 2075738, 3493429, 4018903, 4626433, 5485879, 5570603, 6986858, 8037806, 9252866, 10971758, 11141206, 24454003, 28132321, 38401153, 38994221, 48908006, 56264642, 76802306, 77988442, 171178021, 206112311, 272959547, 342356042, 412224622, 545919094, 1442786177, 2885572354, 10099503239, 20199006478]

約数ペア:

[(1, 20199006478), (2, 10099503239), (7, 2885572354), (14, 1442786177), (37, 545919094), (49, 412224622), (59, 342356042), (74, 272959547), (98, 206112311), (118, 171178021), (259, 77988442), (263, 76802306), (359, 56264642), (413, 48908006), (518, 38994221), (526, 38401153), (718, 28132321), (826, 24454003), (1813, 11141206), (1841, 10971758), (2183, 9252866), (2513, 8037806), (2891, 6986858), (3626, 5570603), (3682, 5485879), (4366, 4626433), (5026, 4018903), (5782, 3493429), (9731, 2075738), (12887, 1567394), (13283, 1520666), (15281, 1321838), (15517, 1301734), (17591, 1148258), (19462, 1037869), (21181, 953638), (25774, 783697), (26566, 760333), (30562, 660919), (31034, 650867), (35182, 574129), (42362, 476819), (68117, 296534), (92981, 217238), (94417, 213934), (106967, 188834), (108619, 185962), (136234, 148267)]