20790545710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8217607}}^1$

素因数の和:8217648

約数の個数: 32

約数和(自身を含む): 42600079872

約数和(自身を除く): 21809534162

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8217607, 16435214, 41088035, 82176070, 90393677, 180787354, 189004961, 378009922, 451968385, 903936770, 945024805, 1890049610, 2079054571, 4158109142, 10395272855, 20790545710]

約数ペア:

[(1, 20790545710), (2, 10395272855), (5, 4158109142), (10, 2079054571), (11, 1890049610), (22, 945024805), (23, 903936770), (46, 451968385), (55, 378009922), (110, 189004961), (115, 180787354), (230, 90393677), (253, 82176070), (506, 41088035), (1265, 16435214), (2530, 8217607)]