20179904584

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{1481}}^1$

素因数の和:1739

約数の個数: 128

約数和(自身を含む): 45891256320

約数和(自身を除く): 25711351736

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 167, 188, 217, 248, 329, 334, 376, 434, 658, 668, 868, 1169, 1316, 1336, 1457, 1481, 1736, 2338, 2632, 2914, 2962, 4676, 5177, 5828, 5924, 7849, 9352, 10199, 10354, 10367, 11656, 11848, 15698, 20398, 20708, 20734, 31396, 36239, 40796, 41416, 41468, 45911, 54943, 62792, 69607, 72478, 81592, 82936, 91822, 109886, 139214, 144956, 183644, 219772, 243319, 247327, 278428, 289912, 321377, 367288, 439544, 486638, 487249, 494654, 556856, 642754, 973276, 974498, 989308, 1285508, 1703233, 1731289, 1946552, 1948996, 1978616, 2157817, 2571016, 3406466, 3462578, 3897992, 4315634, 6812932, 6925156, 7667137, 8631268, 11624369, 13625864, 13850312, 15104719, 15334274, 17262536, 23248738, 30209438, 30668548, 46497476, 53669959, 60418876, 61337096, 81370583, 92994952, 107339918, 120837752, 162741166, 214679836, 325482332, 360355439, 429359672, 650964664, 720710878, 1441421756, 2522488073, 2882843512, 5044976146, 10089952292, 20179904584]

約数ペア:

[(1, 20179904584), (2, 10089952292), (4, 5044976146), (7, 2882843512), (8, 2522488073), (14, 1441421756), (28, 720710878), (31, 650964664), (47, 429359672), (56, 360355439), (62, 325482332), (94, 214679836), (124, 162741166), (167, 120837752), (188, 107339918), (217, 92994952), (248, 81370583), (329, 61337096), (334, 60418876), (376, 53669959), (434, 46497476), (658, 30668548), (668, 30209438), (868, 23248738), (1169, 17262536), (1316, 15334274), (1336, 15104719), (1457, 13850312), (1481, 13625864), (1736, 11624369), (2338, 8631268), (2632, 7667137), (2914, 6925156), (2962, 6812932), (4676, 4315634), (5177, 3897992), (5828, 3462578), (5924, 3406466), (7849, 2571016), (9352, 2157817), (10199, 1978616), (10354, 1948996), (10367, 1946552), (11656, 1731289), (11848, 1703233), (15698, 1285508), (20398, 989308), (20708, 974498), (20734, 973276), (31396, 642754), (36239, 556856), (40796, 494654), (41416, 487249), (41468, 486638), (45911, 439544), (54943, 367288), (62792, 321377), (69607, 289912), (72478, 278428), (81592, 247327), (82936, 243319), (91822, 219772), (109886, 183644), (139214, 144956)]