20715396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 56918400

約数和(自身を除く): 36203004

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 156, 174, 228, 241, 247, 348, 377, 482, 494, 551, 723, 741, 754, 964, 988, 1102, 1131, 1446, 1482, 1508, 1653, 2204, 2262, 2892, 2964, 3133, 3306, 4524, 4579, 6266, 6612, 6989, 7163, 9158, 9399, 12532, 13737, 13978, 14326, 18316, 18798, 20967, 21489, 27474, 27956, 28652, 37596, 41934, 42978, 54948, 59527, 83868, 85956, 90857, 119054, 132791, 178581, 181714, 238108, 265582, 272571, 357162, 363428, 398373, 531164, 545142, 714324, 796746, 1090284, 1593492, 1726283, 3452566, 5178849, 6905132, 10357698, 20715396]

約数ペア:

[(1, 20715396), (2, 10357698), (3, 6905132), (4, 5178849), (6, 3452566), (12, 1726283), (13, 1593492), (19, 1090284), (26, 796746), (29, 714324), (38, 545142), (39, 531164), (52, 398373), (57, 363428), (58, 357162), (76, 272571), (78, 265582), (87, 238108), (114, 181714), (116, 178581), (156, 132791), (174, 119054), (228, 90857), (241, 85956), (247, 83868), (348, 59527), (377, 54948), (482, 42978), (494, 41934), (551, 37596), (723, 28652), (741, 27956), (754, 27474), (964, 21489), (988, 20967), (1102, 18798), (1131, 18316), (1446, 14326), (1482, 13978), (1508, 13737), (1653, 12532), (2204, 9399), (2262, 9158), (2892, 7163), (2964, 6989), (3133, 6612), (3306, 6266), (4524, 4579)]