20843287829

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{33629}}^1$

素因数の和:33802

約数の個数: 32

約数和(自身を含む): 26365920000

約数和(自身を除く): 5522632171

約数列:

[1, 7, 13, 49, 91, 139, 343, 637, 973, 1807, 4459, 6811, 12649, 33629, 47677, 88543, 235403, 437177, 619801, 1647821, 3060239, 4674431, 11534747, 21421673, 32721017, 60767603, 149951711, 229047119, 425373221, 1603329833, 2977612547, 20843287829]

約数ペア:

[(1, 20843287829), (7, 2977612547), (13, 1603329833), (49, 425373221), (91, 229047119), (139, 149951711), (343, 60767603), (637, 32721017), (973, 21421673), (1807, 11534747), (4459, 4674431), (6811, 3060239), (12649, 1647821), (33629, 619801), (47677, 437177), (88543, 235403)]