20194497580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1171

約数の個数: 96

約数和(自身を含む): 43798708800

約数和(自身を除く): 23604211220

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 197, 218, 236, 295, 394, 436, 545, 590, 788, 797, 985, 1090, 1180, 1594, 1970, 2180, 3188, 3940, 3985, 6431, 7970, 11623, 12862, 15940, 21473, 23246, 25724, 32155, 42946, 46492, 47023, 58115, 64310, 85892, 86873, 94046, 107365, 116230, 128620, 157009, 173746, 188092, 214730, 232460, 235115, 314018, 347492, 429460, 434365, 470230, 628036, 785045, 868730, 940460, 1266907, 1570090, 1737460, 2533814, 3140180, 5067628, 5125507, 6334535, 9263531, 10251014, 12669070, 17113981, 18527062, 20502028, 25338140, 25627535, 34227962, 37054124, 46317655, 51255070, 68455924, 85569905, 92635310, 102510140, 171139810, 185270620, 342279620, 1009724879, 2019449758, 4038899516, 5048624395, 10097248790, 20194497580]

約数ペア:

[(1, 20194497580), (2, 10097248790), (4, 5048624395), (5, 4038899516), (10, 2019449758), (20, 1009724879), (59, 342279620), (109, 185270620), (118, 171139810), (197, 102510140), (218, 92635310), (236, 85569905), (295, 68455924), (394, 51255070), (436, 46317655), (545, 37054124), (590, 34227962), (788, 25627535), (797, 25338140), (985, 20502028), (1090, 18527062), (1180, 17113981), (1594, 12669070), (1970, 10251014), (2180, 9263531), (3188, 6334535), (3940, 5125507), (3985, 5067628), (6431, 3140180), (7970, 2533814), (11623, 1737460), (12862, 1570090), (15940, 1266907), (21473, 940460), (23246, 868730), (25724, 785045), (32155, 628036), (42946, 470230), (46492, 434365), (47023, 429460), (58115, 347492), (64310, 314018), (85892, 235115), (86873, 232460), (94046, 214730), (107365, 188092), (116230, 173746), (128620, 157009)]