20346529077

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{25577}}^1$

素因数の和:25680

約数の個数: 80

約数和(自身を含む): 36842141952

約数和(自身を除く): 16495612875

約数列:

[1, 3, 7, 9, 21, 23, 27, 61, 63, 69, 81, 161, 183, 189, 207, 427, 483, 549, 567, 621, 1281, 1403, 1449, 1647, 1863, 3843, 4209, 4347, 4941, 9821, 11529, 12627, 13041, 25577, 29463, 34587, 37881, 76731, 88389, 113643, 179039, 230193, 265167, 537117, 588271, 690579, 795501, 1560197, 1611351, 1764813, 2071737, 4117897, 4680591, 4834053, 5294439, 10921379, 12353691, 14041773, 14502159, 15883317, 32764137, 35884531, 37061073, 42125319, 47649951, 98292411, 107653593, 111183219, 126375957, 251191717, 294877233, 322960779, 333549657, 753575151, 884631699, 968882337, 2260725453, 2906647011, 6782176359, 20346529077]

約数ペア:

[(1, 20346529077), (3, 6782176359), (7, 2906647011), (9, 2260725453), (21, 968882337), (23, 884631699), (27, 753575151), (61, 333549657), (63, 322960779), (69, 294877233), (81, 251191717), (161, 126375957), (183, 111183219), (189, 107653593), (207, 98292411), (427, 47649951), (483, 42125319), (549, 37061073), (567, 35884531), (621, 32764137), (1281, 15883317), (1403, 14502159), (1449, 14041773), (1647, 12353691), (1863, 10921379), (3843, 5294439), (4209, 4834053), (4347, 4680591), (4941, 4117897), (9821, 2071737), (11529, 1764813), (12627, 1611351), (13041, 1560197), (25577, 795501), (29463, 690579), (34587, 588271), (37881, 537117), (76731, 265167), (88389, 230193), (113643, 179039)]