20550843

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 30455568

約数和(自身を除く): 9904725

約数列:

[1, 3, 9, 67, 173, 197, 201, 519, 591, 603, 1557, 1773, 11591, 13199, 34081, 34773, 39597, 102243, 104319, 118791, 306729, 2283427, 6850281, 20550843]

約数ペア:

[(1, 20550843), (3, 6850281), (9, 2283427), (67, 306729), (173, 118791), (197, 104319), (201, 102243), (519, 39597), (591, 34773), (603, 34081), (1557, 13199), (1773, 11591)]