20000032

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 42844032

約数和(自身を除く): 22844000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 367, 416, 524, 734, 1048, 1468, 1703, 2096, 2936, 3406, 4192, 4771, 5872, 6812, 9542, 11744, 13624, 19084, 27248, 38168, 48077, 54496, 76336, 96154, 152672, 192308, 384616, 625001, 769232, 1250002, 1538464, 2500004, 5000008, 10000016, 20000032]

約数ペア:

[(1, 20000032), (2, 10000016), (4, 5000008), (8, 2500004), (13, 1538464), (16, 1250002), (26, 769232), (32, 625001), (52, 384616), (104, 192308), (131, 152672), (208, 96154), (262, 76336), (367, 54496), (416, 48077), (524, 38168), (734, 27248), (1048, 19084), (1468, 13624), (1703, 11744), (2096, 9542), (2936, 6812), (3406, 5872), (4192, 4771)]