20751477

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2411}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 29329920

約数和(自身を除く): 8578443

約数列:

[1, 3, 19, 57, 151, 453, 2411, 2869, 7233, 8607, 45809, 137427, 364061, 1092183, 6917159, 20751477]

約数ペア:

[(1, 20751477), (3, 6917159), (19, 1092183), (57, 364061), (151, 137427), (453, 45809), (2411, 8607), (2869, 7233)]