20404417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 23431680

約数和(自身を除く): 3027263

約数列:

[1, 11, 31, 53, 341, 583, 1129, 1643, 12419, 18073, 34999, 59837, 384989, 658207, 1854947, 20404417]

約数ペア:

[(1, 20404417), (11, 1854947), (31, 658207), (53, 384989), (341, 59837), (583, 34999), (1129, 18073), (1643, 12419)]