20169989728

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1\times {\mathrm{1801}}^1$

素因数の和:2025

約数の個数: 144

約数和(自身を含む): 48514654944

約数和(自身を除く): 28344665216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 173, 224, 238, 272, 289, 346, 476, 544, 578, 692, 952, 1156, 1211, 1384, 1801, 1904, 2023, 2312, 2422, 2768, 2941, 3602, 3808, 4046, 4624, 4844, 5536, 5882, 7204, 8092, 9248, 9688, 11764, 12607, 14408, 16184, 19376, 20587, 23528, 25214, 28816, 30617, 32368, 38752, 41174, 47056, 49997, 50428, 57632, 61234, 64736, 82348, 94112, 99994, 100856, 122468, 164696, 199988, 201712, 214319, 244936, 311573, 329392, 349979, 399976, 403424, 428638, 489872, 520489, 623146, 658784, 699958, 799952, 857276, 979744, 1040978, 1246292, 1399916, 1599904, 1714552, 2081956, 2181011, 2492584, 2799832, 3429104, 3643423, 4163912, 4362022, 4985168, 5296741, 5599664, 6858208, 7286846, 8327824, 8724044, 9970336, 10593482, 11199328, 14573692, 16655648, 17448088, 21186964, 29147384, 34896176, 37077187, 42373928, 58294768, 69792352, 74154374, 84747856, 90044597, 116589536, 148308748, 169495712, 180089194, 296617496, 360178388, 593234992, 630312179, 720356776, 1186469984, 1260624358, 1440713552, 2521248716, 2881427104, 5042497432, 10084994864, 20169989728]

約数ペア:

[(1, 20169989728), (2, 10084994864), (4, 5042497432), (7, 2881427104), (8, 2521248716), (14, 1440713552), (16, 1260624358), (17, 1186469984), (28, 720356776), (32, 630312179), (34, 593234992), (56, 360178388), (68, 296617496), (112, 180089194), (119, 169495712), (136, 148308748), (173, 116589536), (224, 90044597), (238, 84747856), (272, 74154374), (289, 69792352), (346, 58294768), (476, 42373928), (544, 37077187), (578, 34896176), (692, 29147384), (952, 21186964), (1156, 17448088), (1211, 16655648), (1384, 14573692), (1801, 11199328), (1904, 10593482), (2023, 9970336), (2312, 8724044), (2422, 8327824), (2768, 7286846), (2941, 6858208), (3602, 5599664), (3808, 5296741), (4046, 4985168), (4624, 4362022), (4844, 4163912), (5536, 3643423), (5882, 3429104), (7204, 2799832), (8092, 2492584), (9248, 2181011), (9688, 2081956), (11764, 1714552), (12607, 1599904), (14408, 1399916), (16184, 1246292), (19376, 1040978), (20587, 979744), (23528, 857276), (25214, 799952), (28816, 699958), (30617, 658784), (32368, 623146), (38752, 520489), (41174, 489872), (47056, 428638), (49997, 403424), (50428, 399976), (57632, 349979), (61234, 329392), (64736, 311573), (82348, 244936), (94112, 214319), (99994, 201712), (100856, 199988), (122468, 164696)]