20090129787

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8176691}}^1$

素因数の和:8176720

約数の個数: 32

約数和(自身を含む): 36631580160

約数和(自身を除く): 16541450373

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8176691, 24530073, 57236837, 73590219, 106296983, 171710511, 220770657, 318890949, 515131533, 744078881, 956672847, 1545394599, 2232236643, 2870018541, 6696709929, 20090129787]

約数ペア:

[(1, 20090129787), (3, 6696709929), (7, 2870018541), (9, 2232236643), (13, 1545394599), (21, 956672847), (27, 744078881), (39, 515131533), (63, 318890949), (91, 220770657), (117, 171710511), (189, 106296983), (273, 73590219), (351, 57236837), (819, 24530073), (2457, 8176691)]