20109696040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2939}}^1\times {\mathrm{3491}}^1$

素因数の和:6455

約数の個数: 96

約数和(自身を含む): 52667042400

約数和(自身を除く): 32557346360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2939, 3491, 5878, 6982, 11756, 13964, 14695, 17455, 20573, 23512, 24437, 27928, 29390, 34910, 41146, 48874, 58780, 69820, 82292, 97748, 102865, 117560, 122185, 139640, 144011, 164584, 171059, 195496, 205730, 244370, 288022, 342118, 411460, 488740, 576044, 684236, 720055, 822920, 855295, 977480, 1152088, 1368472, 1440110, 1710590, 2880220, 3421180, 5760440, 6842360, 10260049, 20520098, 41040196, 51300245, 71820343, 82080392, 102600490, 143640686, 205200980, 287281372, 359101715, 410401960, 502742401, 574562744, 718203430, 1005484802, 1436406860, 2010969604, 2513712005, 2872813720, 4021939208, 5027424010, 10054848020, 20109696040]

約数ペア:

[(1, 20109696040), (2, 10054848020), (4, 5027424010), (5, 4021939208), (7, 2872813720), (8, 2513712005), (10, 2010969604), (14, 1436406860), (20, 1005484802), (28, 718203430), (35, 574562744), (40, 502742401), (49, 410401960), (56, 359101715), (70, 287281372), (98, 205200980), (140, 143640686), (196, 102600490), (245, 82080392), (280, 71820343), (392, 51300245), (490, 41040196), (980, 20520098), (1960, 10260049), (2939, 6842360), (3491, 5760440), (5878, 3421180), (6982, 2880220), (11756, 1710590), (13964, 1440110), (14695, 1368472), (17455, 1152088), (20573, 977480), (23512, 855295), (24437, 822920), (27928, 720055), (29390, 684236), (34910, 576044), (41146, 488740), (48874, 411460), (58780, 342118), (69820, 288022), (82292, 244370), (97748, 205730), (102865, 195496), (117560, 171059), (122185, 164584), (139640, 144011)]