20418584

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 39795840

約数和(自身を除く): 19377256

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 281, 293, 562, 586, 1124, 1172, 2248, 2344, 8711, 9083, 17422, 18166, 34844, 36332, 69688, 72664, 82333, 164666, 329332, 658664, 2552323, 5104646, 10209292, 20418584]

約数ペア:

[(1, 20418584), (2, 10209292), (4, 5104646), (8, 2552323), (31, 658664), (62, 329332), (124, 164666), (248, 82333), (281, 72664), (293, 69688), (562, 36332), (586, 34844), (1124, 18166), (1172, 17422), (2248, 9083), (2344, 8711)]