20276704

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 46037376

約数和(自身を除く): 25760672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 691, 917, 1048, 1382, 1834, 2096, 2764, 3668, 4192, 4837, 5528, 7336, 9674, 11056, 14672, 19348, 22112, 29344, 38696, 77392, 90521, 154784, 181042, 362084, 633647, 724168, 1267294, 1448336, 2534588, 2896672, 5069176, 10138352, 20276704]

約数ペア:

[(1, 20276704), (2, 10138352), (4, 5069176), (7, 2896672), (8, 2534588), (14, 1448336), (16, 1267294), (28, 724168), (32, 633647), (56, 362084), (112, 181042), (131, 154784), (224, 90521), (262, 77392), (524, 38696), (691, 29344), (917, 22112), (1048, 19348), (1382, 14672), (1834, 11056), (2096, 9674), (2764, 7336), (3668, 5528), (4192, 4837)]