20562997

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 27132000

約数和(自身を除く): 6569003

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1699, 1729, 11893, 12103, 22087, 32281, 83251, 154609, 225967, 419653, 1082263, 1581769, 2937571, 20562997]

約数ペア:

[(1, 20562997), (7, 2937571), (13, 1581769), (19, 1082263), (49, 419653), (91, 225967), (133, 154609), (247, 83251), (637, 32281), (931, 22087), (1699, 12103), (1729, 11893)]