20255648

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2965

約数の個数: 48

約数和(自身を含む): 47061504

約数和(自身を除く): 26805856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2917, 3472, 5834, 6944, 11668, 20419, 23336, 40838, 46672, 81676, 90427, 93344, 163352, 180854, 326704, 361708, 632989, 653408, 723416, 1265978, 1446832, 2531956, 2893664, 5063912, 10127824, 20255648]

約数ペア:

[(1, 20255648), (2, 10127824), (4, 5063912), (7, 2893664), (8, 2531956), (14, 1446832), (16, 1265978), (28, 723416), (31, 653408), (32, 632989), (56, 361708), (62, 326704), (112, 180854), (124, 163352), (217, 93344), (224, 90427), (248, 81676), (434, 46672), (496, 40838), (868, 23336), (992, 20419), (1736, 11668), (2917, 6944), (3472, 5834)]