20755551

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 28368000

約数和(自身を除く): 7612449

約数列:

[1, 3, 59, 149, 177, 447, 787, 2361, 8791, 26373, 46433, 117263, 139299, 351789, 6918517, 20755551]

約数ペア:

[(1, 20755551), (3, 6918517), (59, 351789), (149, 139299), (177, 117263), (447, 46433), (787, 26373), (2361, 8791)]