20361744

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 62626200

約数和(自身を除く): 42264456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 73, 78, 104, 117, 144, 146, 149, 156, 208, 219, 234, 292, 298, 312, 438, 447, 468, 584, 596, 624, 657, 876, 894, 936, 949, 1168, 1192, 1314, 1341, 1752, 1788, 1872, 1898, 1937, 2384, 2628, 2682, 2847, 3504, 3576, 3796, 3874, 5256, 5364, 5694, 5811, 7152, 7592, 7748, 8541, 10512, 10728, 10877, 11388, 11622, 15184, 15496, 17082, 17433, 21456, 21754, 22776, 23244, 30992, 32631, 34164, 34866, 43508, 45552, 46488, 65262, 68328, 69732, 87016, 92976, 97893, 130524, 136656, 139464, 141401, 174032, 195786, 261048, 278928, 282802, 391572, 424203, 522096, 565604, 783144, 848406, 1131208, 1272609, 1566288, 1696812, 2262416, 2545218, 3393624, 5090436, 6787248, 10180872, 20361744]

約数ペア:

[(1, 20361744), (2, 10180872), (3, 6787248), (4, 5090436), (6, 3393624), (8, 2545218), (9, 2262416), (12, 1696812), (13, 1566288), (16, 1272609), (18, 1131208), (24, 848406), (26, 783144), (36, 565604), (39, 522096), (48, 424203), (52, 391572), (72, 282802), (73, 278928), (78, 261048), (104, 195786), (117, 174032), (144, 141401), (146, 139464), (149, 136656), (156, 130524), (208, 97893), (219, 92976), (234, 87016), (292, 69732), (298, 68328), (312, 65262), (438, 46488), (447, 45552), (468, 43508), (584, 34866), (596, 34164), (624, 32631), (657, 30992), (876, 23244), (894, 22776), (936, 21754), (949, 21456), (1168, 17433), (1192, 17082), (1314, 15496), (1341, 15184), (1752, 11622), (1788, 11388), (1872, 10877), (1898, 10728), (1937, 10512), (2384, 8541), (2628, 7748), (2682, 7592), (2847, 7152), (3504, 5811), (3576, 5694), (3796, 5364), (3874, 5256)]