20906469

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 31056792

約数和(自身を除く): 10150323

約数列:

[1, 3, 9, 61, 113, 183, 337, 339, 549, 1011, 1017, 3033, 6893, 20557, 20679, 38081, 61671, 62037, 114243, 185013, 342729, 2322941, 6968823, 20906469]

約数ペア:

[(1, 20906469), (3, 6968823), (9, 2322941), (61, 342729), (113, 185013), (183, 114243), (337, 62037), (339, 61671), (549, 38081), (1011, 20679), (1017, 20557), (3033, 6893)]