20686251

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{5059}}^1$

素因数の和:5138

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 8459349

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 5059, 15177, 146711, 237773, 440133, 713319, 6895417, 20686251]

約数ペア:

[(1, 20686251), (3, 6895417), (29, 713319), (47, 440133), (87, 237773), (141, 146711), (1363, 15177), (4089, 5059)]