20247435

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 39513600

約数和(自身を除く): 19266165

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 83, 117, 135, 139, 195, 249, 351, 415, 417, 585, 695, 747, 1079, 1245, 1251, 1755, 1807, 2085, 2241, 3237, 3735, 3753, 5395, 5421, 6255, 9035, 9711, 11205, 11537, 16185, 16263, 18765, 27105, 29133, 34611, 48555, 48789, 57685, 81315, 103833, 145665, 149981, 173055, 243945, 311499, 449943, 519165, 749905, 1349829, 1557495, 2249715, 4049487, 6749145, 20247435]

約数ペア:

[(1, 20247435), (3, 6749145), (5, 4049487), (9, 2249715), (13, 1557495), (15, 1349829), (27, 749905), (39, 519165), (45, 449943), (65, 311499), (83, 243945), (117, 173055), (135, 149981), (139, 145665), (195, 103833), (249, 81315), (351, 57685), (415, 48789), (417, 48555), (585, 34611), (695, 29133), (747, 27105), (1079, 18765), (1245, 16263), (1251, 16185), (1755, 11537), (1807, 11205), (2085, 9711), (2241, 9035), (3237, 6255), (3735, 5421), (3753, 5395)]