20793808

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 48854016

約数和(自身を除く): 28060208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 53, 56, 62, 106, 112, 113, 124, 212, 217, 226, 248, 371, 424, 434, 452, 496, 742, 791, 848, 868, 904, 1484, 1582, 1643, 1736, 1808, 2968, 3164, 3286, 3472, 3503, 5936, 5989, 6328, 6572, 7006, 11501, 11978, 12656, 13144, 14012, 23002, 23956, 24521, 26288, 28024, 41923, 46004, 47912, 49042, 56048, 83846, 92008, 95824, 98084, 167692, 184016, 185659, 196168, 335384, 371318, 392336, 670768, 742636, 1299613, 1485272, 2599226, 2970544, 5198452, 10396904, 20793808]

約数ペア:

[(1, 20793808), (2, 10396904), (4, 5198452), (7, 2970544), (8, 2599226), (14, 1485272), (16, 1299613), (28, 742636), (31, 670768), (53, 392336), (56, 371318), (62, 335384), (106, 196168), (112, 185659), (113, 184016), (124, 167692), (212, 98084), (217, 95824), (226, 92008), (248, 83846), (371, 56048), (424, 49042), (434, 47912), (452, 46004), (496, 41923), (742, 28024), (791, 26288), (848, 24521), (868, 23956), (904, 23002), (1484, 14012), (1582, 13144), (1643, 12656), (1736, 11978), (1808, 11501), (2968, 7006), (3164, 6572), (3286, 6328), (3472, 5989), (3503, 5936)]