20171192860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2172

約数の個数: 192

約数和(自身を含む): 53577280512

約数和(自身を除く): 33406087652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 83, 91, 130, 134, 140, 166, 182, 260, 268, 332, 335, 364, 415, 455, 469, 581, 670, 830, 871, 910, 938, 1079, 1162, 1340, 1660, 1742, 1820, 1876, 1993, 2158, 2324, 2345, 2905, 3484, 3986, 4316, 4355, 4690, 5395, 5561, 5810, 6097, 7553, 7972, 8710, 9380, 9965, 10790, 11122, 11620, 12194, 13951, 15106, 17420, 19930, 21580, 22244, 24388, 25909, 27805, 27902, 30212, 30485, 37765, 38927, 39860, 51818, 55610, 55804, 60970, 69755, 72293, 75530, 77854, 103636, 111220, 121940, 129545, 133531, 139510, 144586, 151060, 155708, 165419, 181363, 194635, 259090, 267062, 279020, 289172, 330838, 361465, 362726, 389270, 506051, 518180, 534124, 661676, 667655, 722930, 725452, 778540, 827095, 906815, 934717, 1012102, 1157933, 1335310, 1445860, 1654190, 1735903, 1813630, 1869434, 2024204, 2150447, 2315866, 2530255, 2670620, 3308380, 3471806, 3627260, 3738868, 4300894, 4631732, 4673585, 5060510, 5789665, 6943612, 8601788, 8679515, 9347170, 10121020, 10752235, 11083073, 11579330, 12151321, 15053129, 17359030, 18694340, 21504470, 22166146, 23158660, 24302642, 30106258, 34718060, 43008940, 44332292, 48605284, 55415365, 60212516, 60756605, 75265645, 77581511, 110830730, 121513210, 144079949, 150531290, 155163022, 221661460, 243026420, 288159898, 301062580, 310326044, 387907555, 576319796, 720399745, 775815110, 1008559643, 1440799490, 1551630220, 2017119286, 2881598980, 4034238572, 5042798215, 10085596430, 20171192860]

約数ペア:

[(1, 20171192860), (2, 10085596430), (4, 5042798215), (5, 4034238572), (7, 2881598980), (10, 2017119286), (13, 1551630220), (14, 1440799490), (20, 1008559643), (26, 775815110), (28, 720399745), (35, 576319796), (52, 387907555), (65, 310326044), (67, 301062580), (70, 288159898), (83, 243026420), (91, 221661460), (130, 155163022), (134, 150531290), (140, 144079949), (166, 121513210), (182, 110830730), (260, 77581511), (268, 75265645), (332, 60756605), (335, 60212516), (364, 55415365), (415, 48605284), (455, 44332292), (469, 43008940), (581, 34718060), (670, 30106258), (830, 24302642), (871, 23158660), (910, 22166146), (938, 21504470), (1079, 18694340), (1162, 17359030), (1340, 15053129), (1660, 12151321), (1742, 11579330), (1820, 11083073), (1876, 10752235), (1993, 10121020), (2158, 9347170), (2324, 8679515), (2345, 8601788), (2905, 6943612), (3484, 5789665), (3986, 5060510), (4316, 4673585), (4355, 4631732), (4690, 4300894), (5395, 3738868), (5561, 3627260), (5810, 3471806), (6097, 3308380), (7553, 2670620), (7972, 2530255), (8710, 2315866), (9380, 2150447), (9965, 2024204), (10790, 1869434), (11122, 1813630), (11620, 1735903), (12194, 1654190), (13951, 1445860), (15106, 1335310), (17420, 1157933), (19930, 1012102), (21580, 934717), (22244, 906815), (24388, 827095), (25909, 778540), (27805, 725452), (27902, 722930), (30212, 667655), (30485, 661676), (37765, 534124), (38927, 518180), (39860, 506051), (51818, 389270), (55610, 362726), (55804, 361465), (60970, 330838), (69755, 289172), (72293, 279020), (75530, 267062), (77854, 259090), (103636, 194635), (111220, 181363), (121940, 165419), (129545, 155708), (133531, 151060), (139510, 144586)]