20228637

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 32247936

約数和(自身を除く): 12019299

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 773, 793, 2013, 2319, 2379, 8503, 8723, 10049, 25509, 26169, 30147, 47153, 110539, 141459, 331617, 518683, 612989, 1556049, 1838967, 6742879, 20228637]

約数ペア:

[(1, 20228637), (3, 6742879), (11, 1838967), (13, 1556049), (33, 612989), (39, 518683), (61, 331617), (143, 141459), (183, 110539), (429, 47153), (671, 30147), (773, 26169), (793, 25509), (2013, 10049), (2319, 8723), (2379, 8503)]