20055261387

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50263813}}^1$

素因数の和:50263842

約数の個数: 16

約数和(自身を含む): 32168840960

約数和(自身を除く): 12113579573

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50263813, 150791439, 351846691, 955012447, 1055540073, 2865037341, 6685087129, 20055261387]

約数ペア:

[(1, 20055261387), (3, 6685087129), (7, 2865037341), (19, 1055540073), (21, 955012447), (57, 351846691), (133, 150791439), (399, 50263813)]