20177502352

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1\times {\mathrm{11897}}^1$

素因数の和:12728

約数の個数: 80

約数和(自身を含む): 47093235840

約数和(自身を除く): 26915733488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 797, 1064, 1594, 2128, 3188, 5579, 6376, 11158, 11897, 12752, 15143, 22316, 23794, 30286, 44632, 47588, 60572, 83279, 89264, 95176, 106001, 121144, 166558, 190352, 212002, 226043, 242288, 333116, 424004, 452086, 666232, 848008, 904172, 1332464, 1582301, 1696016, 1808344, 3164602, 3616688, 6329204, 9481909, 12658408, 18963818, 25316816, 37927636, 66373363, 75855272, 132746726, 151710544, 180156271, 265493452, 360312542, 530986904, 720625084, 1061973808, 1261093897, 1441250168, 2522187794, 2882500336, 5044375588, 10088751176, 20177502352]

約数ペア:

[(1, 20177502352), (2, 10088751176), (4, 5044375588), (7, 2882500336), (8, 2522187794), (14, 1441250168), (16, 1261093897), (19, 1061973808), (28, 720625084), (38, 530986904), (56, 360312542), (76, 265493452), (112, 180156271), (133, 151710544), (152, 132746726), (266, 75855272), (304, 66373363), (532, 37927636), (797, 25316816), (1064, 18963818), (1594, 12658408), (2128, 9481909), (3188, 6329204), (5579, 3616688), (6376, 3164602), (11158, 1808344), (11897, 1696016), (12752, 1582301), (15143, 1332464), (22316, 904172), (23794, 848008), (30286, 666232), (44632, 452086), (47588, 424004), (60572, 333116), (83279, 242288), (89264, 226043), (95176, 212002), (106001, 190352), (121144, 166558)]