20808216

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 48380904

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 43, 44, 47, 52, 66, 72, 78, 86, 88, 94, 99, 104, 117, 129, 132, 141, 143, 156, 172, 188, 198, 234, 258, 264, 282, 286, 312, 344, 376, 387, 396, 423, 429, 468, 473, 516, 517, 559, 564, 572, 611, 774, 792, 846, 858, 936, 946, 1032, 1034, 1118, 1128, 1144, 1222, 1287, 1419, 1548, 1551, 1677, 1692, 1716, 1833, 1892, 2021, 2068, 2236, 2444, 2574, 2838, 3096, 3102, 3354, 3384, 3432, 3666, 3784, 4042, 4136, 4257, 4472, 4653, 4888, 5031, 5148, 5499, 5676, 6063, 6149, 6204, 6708, 6721, 7332, 8084, 8514, 9306, 10062, 10296, 10998, 11352, 12126, 12298, 12408, 13416, 13442, 14664, 16168, 17028, 18189, 18447, 18612, 20124, 20163, 21996, 22231, 24252, 24596, 26273, 26884, 34056, 36378, 36894, 37224, 40248, 40326, 43992, 44462, 48504, 49192, 52546, 53768, 55341, 60489, 66693, 72756, 73788, 78819, 80652, 88924, 105092, 110682, 120978, 133386, 145512, 147576, 157638, 161304, 177848, 200079, 210184, 221364, 236457, 241956, 266772, 289003, 315276, 400158, 442728, 472914, 483912, 533544, 578006, 630552, 800316, 867009, 945828, 1156012, 1600632, 1734018, 1891656, 2312024, 2601027, 3468036, 5202054, 6936072, 10404108, 20808216]

約数ペア:

[(1, 20808216), (2, 10404108), (3, 6936072), (4, 5202054), (6, 3468036), (8, 2601027), (9, 2312024), (11, 1891656), (12, 1734018), (13, 1600632), (18, 1156012), (22, 945828), (24, 867009), (26, 800316), (33, 630552), (36, 578006), (39, 533544), (43, 483912), (44, 472914), (47, 442728), (52, 400158), (66, 315276), (72, 289003), (78, 266772), (86, 241956), (88, 236457), (94, 221364), (99, 210184), (104, 200079), (117, 177848), (129, 161304), (132, 157638), (141, 147576), (143, 145512), (156, 133386), (172, 120978), (188, 110682), (198, 105092), (234, 88924), (258, 80652), (264, 78819), (282, 73788), (286, 72756), (312, 66693), (344, 60489), (376, 55341), (387, 53768), (396, 52546), (423, 49192), (429, 48504), (468, 44462), (473, 43992), (516, 40326), (517, 40248), (559, 37224), (564, 36894), (572, 36378), (611, 34056), (774, 26884), (792, 26273), (846, 24596), (858, 24252), (936, 22231), (946, 21996), (1032, 20163), (1034, 20124), (1118, 18612), (1128, 18447), (1144, 18189), (1222, 17028), (1287, 16168), (1419, 14664), (1548, 13442), (1551, 13416), (1677, 12408), (1692, 12298), (1716, 12126), (1833, 11352), (1892, 10998), (2021, 10296), (2068, 10062), (2236, 9306), (2444, 8514), (2574, 8084), (2838, 7332), (3096, 6721), (3102, 6708), (3354, 6204), (3384, 6149), (3432, 6063), (3666, 5676), (3784, 5499), (4042, 5148), (4136, 5031), (4257, 4888), (4472, 4653)]