20949291

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3469}}^1$

素因数の和:3547

約数の個数: 24

約数和(自身を含む): 33561840

約数和(自身を除く): 12612549

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 3469, 6039, 10407, 31221, 38159, 114477, 211609, 343431, 634827, 1904481, 2327699, 6983097, 20949291]

約数ペア:

[(1, 20949291), (3, 6983097), (9, 2327699), (11, 1904481), (33, 634827), (61, 343431), (99, 211609), (183, 114477), (549, 38159), (671, 31221), (2013, 10407), (3469, 6039)]