20307344

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 41455680

約数和(自身を除く): 21148336

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 139, 184, 278, 368, 397, 556, 794, 1112, 1588, 2224, 3176, 3197, 6352, 6394, 9131, 12788, 18262, 25576, 36524, 51152, 55183, 73048, 110366, 146096, 220732, 441464, 882928, 1269209, 2538418, 5076836, 10153672, 20307344]

約数ペア:

[(1, 20307344), (2, 10153672), (4, 5076836), (8, 2538418), (16, 1269209), (23, 882928), (46, 441464), (92, 220732), (139, 146096), (184, 110366), (278, 73048), (368, 55183), (397, 51152), (556, 36524), (794, 25576), (1112, 18262), (1588, 12788), (2224, 9131), (3176, 6394), (3197, 6352)]