20839247

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2474

約数の個数: 16

約数和(自身を含む): 24894240

約数和(自身を除く): 4054993

約数列:

[1, 11, 13, 61, 143, 671, 793, 2389, 8723, 26279, 31057, 145729, 341627, 1603019, 1894477, 20839247]

約数ペア:

[(1, 20839247), (11, 1894477), (13, 1603019), (61, 341627), (143, 145729), (671, 31057), (793, 26279), (2389, 8723)]