20969856

素因数分解:

$2^7\times 3^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 61261200

約数和(自身を除く): 40291344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 128, 144, 167, 192, 218, 288, 327, 334, 384, 436, 501, 576, 654, 668, 872, 981, 1002, 1152, 1308, 1336, 1503, 1744, 1962, 2004, 2616, 2672, 3006, 3488, 3924, 4008, 5232, 5344, 6012, 6976, 7848, 8016, 10464, 10688, 12024, 13952, 15696, 16032, 18203, 20928, 21376, 24048, 31392, 32064, 36406, 41856, 48096, 54609, 62784, 64128, 72812, 96192, 109218, 125568, 145624, 163827, 192384, 218436, 291248, 327654, 436872, 582496, 655308, 873744, 1164992, 1310616, 1747488, 2329984, 2621232, 3494976, 5242464, 6989952, 10484928, 20969856]

約数ペア:

[(1, 20969856), (2, 10484928), (3, 6989952), (4, 5242464), (6, 3494976), (8, 2621232), (9, 2329984), (12, 1747488), (16, 1310616), (18, 1164992), (24, 873744), (32, 655308), (36, 582496), (48, 436872), (64, 327654), (72, 291248), (96, 218436), (109, 192384), (128, 163827), (144, 145624), (167, 125568), (192, 109218), (218, 96192), (288, 72812), (327, 64128), (334, 62784), (384, 54609), (436, 48096), (501, 41856), (576, 36406), (654, 32064), (668, 31392), (872, 24048), (981, 21376), (1002, 20928), (1152, 18203), (1308, 16032), (1336, 15696), (1503, 13952), (1744, 12024), (1962, 10688), (2004, 10464), (2616, 8016), (2672, 7848), (3006, 6976), (3488, 6012), (3924, 5344), (4008, 5232)]