20697327

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17291}}^1$

素因数の和:17323

約数の個数: 24

約数和(自身を含む): 35967360

約数和(自身を除く): 15270033

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17291, 51873, 121037, 155619, 328529, 363111, 985587, 1089333, 2299703, 2956761, 6899109, 20697327]

約数ペア:

[(1, 20697327), (3, 6899109), (7, 2956761), (9, 2299703), (19, 1089333), (21, 985587), (57, 363111), (63, 328529), (133, 155619), (171, 121037), (399, 51873), (1197, 17291)]