20485744

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21701}}^1$

素因数の和:21768

約数の個数: 20

約数和(自身を含む): 40365720

約数和(自身を除く): 19879976

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21701, 43402, 86804, 173608, 347216, 1280359, 2560718, 5121436, 10242872, 20485744]

約数ペア:

[(1, 20485744), (2, 10242872), (4, 5121436), (8, 2560718), (16, 1280359), (59, 347216), (118, 173608), (236, 86804), (472, 43402), (944, 21701)]