20340015856

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{172093}}^1$

素因数の和:172273

約数の個数: 40

約数和(自身を含む): 40331949840

約数和(自身を除く): 19991933984

約数列:

[1, 2, 4, 8, 16, 83, 89, 166, 178, 332, 356, 664, 712, 1328, 1424, 7387, 14774, 29548, 59096, 118192, 172093, 344186, 688372, 1376744, 2753488, 14283719, 15316277, 28567438, 30632554, 57134876, 61265108, 114269752, 122530216, 228539504, 245060432, 1271250991, 2542501982, 5085003964, 10170007928, 20340015856]

約数ペア:

[(1, 20340015856), (2, 10170007928), (4, 5085003964), (8, 2542501982), (16, 1271250991), (83, 245060432), (89, 228539504), (166, 122530216), (178, 114269752), (332, 61265108), (356, 57134876), (664, 30632554), (712, 28567438), (1328, 15316277), (1424, 14283719), (7387, 2753488), (14774, 1376744), (29548, 688372), (59096, 344186), (118192, 172093)]