20175236480

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{20753}}^1$

素因数の和:20817

約数の個数: 192

約数和(自身を含む): 57918602880

約数和(自身を除く): 37743366400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 620, 640, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2480, 3038, 3136, 3472, 3920, 3968, 4340, 4480, 4960, 6076, 6272, 6944, 7595, 7840, 8680, 9920, 12152, 13888, 15190, 15680, 17360, 19840, 20753, 24304, 27776, 30380, 31360, 34720, 41506, 48608, 60760, 69440, 83012, 97216, 103765, 121520, 138880, 145271, 166024, 194432, 207530, 243040, 290542, 332048, 415060, 486080, 581084, 643343, 664096, 726355, 830120, 972160, 1016897, 1162168, 1286686, 1328192, 1452710, 1660240, 2033794, 2324336, 2573372, 2656384, 2905420, 3216715, 3320480, 4067588, 4503401, 4648672, 5084485, 5146744, 5810840, 6433430, 6640960, 8135176, 9006802, 9297344, 10168970, 10293488, 11621680, 12866860, 13281920, 16270352, 18013604, 18594688, 20337940, 20586976, 22517005, 23243360, 25733720, 31523807, 32540704, 36027208, 40675880, 41173952, 45034010, 46486720, 51467440, 63047614, 65081408, 72054416, 81351760, 82347904, 90068020, 92973440, 102934880, 126095228, 130162816, 144108832, 157619035, 162703520, 180136040, 205869760, 252190456, 288217664, 315238070, 325407040, 360272080, 411739520, 504380912, 576435328, 630476140, 650814080, 720544160, 1008761824, 1260952280, 1441088320, 2017523648, 2521904560, 2882176640, 4035047296, 5043809120, 10087618240, 20175236480]

約数ペア:

[(1, 20175236480), (2, 10087618240), (4, 5043809120), (5, 4035047296), (7, 2882176640), (8, 2521904560), (10, 2017523648), (14, 1441088320), (16, 1260952280), (20, 1008761824), (28, 720544160), (31, 650814080), (32, 630476140), (35, 576435328), (40, 504380912), (49, 411739520), (56, 360272080), (62, 325407040), (64, 315238070), (70, 288217664), (80, 252190456), (98, 205869760), (112, 180136040), (124, 162703520), (128, 157619035), (140, 144108832), (155, 130162816), (160, 126095228), (196, 102934880), (217, 92973440), (224, 90068020), (245, 82347904), (248, 81351760), (280, 72054416), (310, 65081408), (320, 63047614), (392, 51467440), (434, 46486720), (448, 45034010), (490, 41173952), (496, 40675880), (560, 36027208), (620, 32540704), (640, 31523807), (784, 25733720), (868, 23243360), (896, 22517005), (980, 20586976), (992, 20337940), (1085, 18594688), (1120, 18013604), (1240, 16270352), (1519, 13281920), (1568, 12866860), (1736, 11621680), (1960, 10293488), (1984, 10168970), (2170, 9297344), (2240, 9006802), (2480, 8135176), (3038, 6640960), (3136, 6433430), (3472, 5810840), (3920, 5146744), (3968, 5084485), (4340, 4648672), (4480, 4503401), (4960, 4067588), (6076, 3320480), (6272, 3216715), (6944, 2905420), (7595, 2656384), (7840, 2573372), (8680, 2324336), (9920, 2033794), (12152, 1660240), (13888, 1452710), (15190, 1328192), (15680, 1286686), (17360, 1162168), (19840, 1016897), (20753, 972160), (24304, 830120), (27776, 726355), (30380, 664096), (31360, 643343), (34720, 581084), (41506, 486080), (48608, 415060), (60760, 332048), (69440, 290542), (83012, 243040), (97216, 207530), (103765, 194432), (121520, 166024), (138880, 145271)]