20001821616

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{887}}^1\times {\mathrm{7457}}^1$

素因数の和:8368

約数の個数: 160

約数和(自身を含む): 65697223680

約数和(自身を除く): 45695402064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 887, 1008, 1512, 1774, 2661, 3024, 3548, 5322, 6209, 7096, 7457, 7983, 10644, 12418, 14192, 14914, 15966, 18627, 21288, 22371, 23949, 24836, 29828, 31932, 37254, 42576, 44742, 47898, 49672, 52199, 55881, 59656, 63864, 67113, 74508, 89484, 95796, 99344, 104398, 111762, 119312, 127728, 134226, 149016, 156597, 167643, 178968, 191592, 201339, 208796, 223524, 268452, 298032, 313194, 335286, 357936, 383184, 402678, 417592, 447048, 469791, 536904, 626388, 670572, 805356, 835184, 894096, 939582, 1073808, 1252776, 1341144, 1409373, 1610712, 1879164, 2505552, 2682288, 2818746, 3221424, 3758328, 5637492, 6614359, 7516656, 11274984, 13228718, 19843077, 22549968, 26457436, 39686154, 46300513, 52914872, 59529231, 79372308, 92601026, 105829744, 119058462, 138901539, 158744616, 178587693, 185202052, 238116924, 277803078, 317489232, 357175386, 370404104, 416704617, 476233848, 555606156, 714350772, 740808208, 833409234, 952467696, 1111212312, 1250113851, 1428701544, 1666818468, 2222424624, 2500227702, 2857403088, 3333636936, 5000455404, 6667273872, 10000910808, 20001821616]

約数ペア:

[(1, 20001821616), (2, 10000910808), (3, 6667273872), (4, 5000455404), (6, 3333636936), (7, 2857403088), (8, 2500227702), (9, 2222424624), (12, 1666818468), (14, 1428701544), (16, 1250113851), (18, 1111212312), (21, 952467696), (24, 833409234), (27, 740808208), (28, 714350772), (36, 555606156), (42, 476233848), (48, 416704617), (54, 370404104), (56, 357175386), (63, 317489232), (72, 277803078), (84, 238116924), (108, 185202052), (112, 178587693), (126, 158744616), (144, 138901539), (168, 119058462), (189, 105829744), (216, 92601026), (252, 79372308), (336, 59529231), (378, 52914872), (432, 46300513), (504, 39686154), (756, 26457436), (887, 22549968), (1008, 19843077), (1512, 13228718), (1774, 11274984), (2661, 7516656), (3024, 6614359), (3548, 5637492), (5322, 3758328), (6209, 3221424), (7096, 2818746), (7457, 2682288), (7983, 2505552), (10644, 1879164), (12418, 1610712), (14192, 1409373), (14914, 1341144), (15966, 1252776), (18627, 1073808), (21288, 939582), (22371, 894096), (23949, 835184), (24836, 805356), (29828, 670572), (31932, 626388), (37254, 536904), (42576, 469791), (44742, 447048), (47898, 417592), (49672, 402678), (52199, 383184), (55881, 357936), (59656, 335286), (63864, 313194), (67113, 298032), (74508, 268452), (89484, 223524), (95796, 208796), (99344, 201339), (104398, 191592), (111762, 178968), (119312, 167643), (127728, 156597), (134226, 149016)]