20256719904

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{7879}}^1$

素因数の和:8087

約数の個数: 144

約数和(自身を含む): 58857926400

約数和(自身を除く): 38601206496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 113, 144, 158, 226, 237, 288, 316, 339, 452, 474, 632, 678, 711, 904, 948, 1017, 1264, 1356, 1422, 1808, 1896, 2034, 2528, 2712, 2844, 3616, 3792, 4068, 5424, 5688, 7584, 7879, 8136, 8927, 10848, 11376, 15758, 16272, 17854, 22752, 23637, 26781, 31516, 32544, 35708, 47274, 53562, 63032, 70911, 71416, 80343, 94548, 107124, 126064, 141822, 142832, 160686, 189096, 214248, 252128, 283644, 285664, 321372, 378192, 428496, 567288, 622441, 642744, 756384, 856992, 890327, 1134576, 1244882, 1285488, 1780654, 1867323, 2269152, 2489764, 2570976, 2670981, 3561308, 3734646, 4979528, 5341962, 5601969, 7122616, 7469292, 8012943, 9959056, 10683924, 11203938, 14245232, 14938584, 16025886, 19918112, 21367848, 22407876, 28490464, 29877168, 32051772, 42735696, 44815752, 59754336, 64103544, 70335833, 85471392, 89631504, 128207088, 140671666, 179263008, 211007499, 256414176, 281343332, 422014998, 562686664, 633022497, 844029996, 1125373328, 1266044994, 1688059992, 2250746656, 2532089988, 3376119984, 5064179976, 6752239968, 10128359952, 20256719904]

約数ペア:

[(1, 20256719904), (2, 10128359952), (3, 6752239968), (4, 5064179976), (6, 3376119984), (8, 2532089988), (9, 2250746656), (12, 1688059992), (16, 1266044994), (18, 1125373328), (24, 844029996), (32, 633022497), (36, 562686664), (48, 422014998), (72, 281343332), (79, 256414176), (96, 211007499), (113, 179263008), (144, 140671666), (158, 128207088), (226, 89631504), (237, 85471392), (288, 70335833), (316, 64103544), (339, 59754336), (452, 44815752), (474, 42735696), (632, 32051772), (678, 29877168), (711, 28490464), (904, 22407876), (948, 21367848), (1017, 19918112), (1264, 16025886), (1356, 14938584), (1422, 14245232), (1808, 11203938), (1896, 10683924), (2034, 9959056), (2528, 8012943), (2712, 7469292), (2844, 7122616), (3616, 5601969), (3792, 5341962), (4068, 4979528), (5424, 3734646), (5688, 3561308), (7584, 2670981), (7879, 2570976), (8136, 2489764), (8927, 2269152), (10848, 1867323), (11376, 1780654), (15758, 1285488), (16272, 1244882), (17854, 1134576), (22752, 890327), (23637, 856992), (26781, 756384), (31516, 642744), (32544, 622441), (35708, 567288), (47274, 428496), (53562, 378192), (63032, 321372), (70911, 285664), (71416, 283644), (80343, 252128), (94548, 214248), (107124, 189096), (126064, 160686), (141822, 142832)]