20011704272

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{4423}}^1$

素因数の和:4673

約数の個数: 120

約数和(自身を含む): 46903248000

約数和(自身を除く): 26891543728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 199, 203, 232, 392, 398, 406, 464, 784, 796, 812, 1393, 1421, 1592, 1624, 2786, 2842, 3184, 3248, 4423, 5572, 5684, 5771, 8846, 9751, 11144, 11368, 11542, 17692, 19502, 22288, 22736, 23084, 30961, 35384, 39004, 40397, 46168, 61922, 70768, 78008, 80794, 92336, 123844, 128267, 156016, 161588, 216727, 247688, 256534, 282779, 323176, 433454, 495376, 513068, 565558, 646352, 866908, 880177, 897869, 1026136, 1131116, 1733816, 1760354, 1795738, 2052272, 2262232, 3467632, 3520708, 3591476, 4524464, 6161239, 6285083, 7041416, 7182952, 12322478, 12570166, 14082832, 14365904, 24644956, 25140332, 25525133, 43128673, 49289912, 50280664, 51050266, 86257346, 98579824, 100561328, 102100532, 172514692, 178675931, 204201064, 345029384, 357351862, 408402128, 690058768, 714703724, 1250731517, 1429407448, 2501463034, 2858814896, 5002926068, 10005852136, 20011704272]

約数ペア:

[(1, 20011704272), (2, 10005852136), (4, 5002926068), (7, 2858814896), (8, 2501463034), (14, 1429407448), (16, 1250731517), (28, 714703724), (29, 690058768), (49, 408402128), (56, 357351862), (58, 345029384), (98, 204201064), (112, 178675931), (116, 172514692), (196, 102100532), (199, 100561328), (203, 98579824), (232, 86257346), (392, 51050266), (398, 50280664), (406, 49289912), (464, 43128673), (784, 25525133), (796, 25140332), (812, 24644956), (1393, 14365904), (1421, 14082832), (1592, 12570166), (1624, 12322478), (2786, 7182952), (2842, 7041416), (3184, 6285083), (3248, 6161239), (4423, 4524464), (5572, 3591476), (5684, 3520708), (5771, 3467632), (8846, 2262232), (9751, 2052272), (11144, 1795738), (11368, 1760354), (11542, 1733816), (17692, 1131116), (19502, 1026136), (22288, 897869), (22736, 880177), (23084, 866908), (30961, 646352), (35384, 565558), (39004, 513068), (40397, 495376), (46168, 433454), (61922, 323176), (70768, 282779), (78008, 256534), (80794, 247688), (92336, 216727), (123844, 161588), (128267, 156016)]