20778535869

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{174169}}^1$

素因数の和:174234

約数の個数: 64

約数和(自身を含む): 37453516800

約数和(自身を除く): 16674980931

約数列:

[1, 3, 7, 13, 19, 21, 23, 39, 57, 69, 91, 133, 161, 247, 273, 299, 399, 437, 483, 741, 897, 1311, 1729, 2093, 3059, 5187, 5681, 6279, 9177, 17043, 39767, 119301, 174169, 522507, 1219183, 2264197, 3309211, 3657549, 4005887, 6792591, 9927633, 12017661, 15849379, 23164477, 28041209, 43019743, 47548137, 52076531, 69493431, 76111853, 84123627, 129059229, 156229593, 228335559, 301138201, 364535717, 532782971, 903414603, 989454089, 1093607151, 1598348913, 2968362267, 6926178623, 20778535869]

約数ペア:

[(1, 20778535869), (3, 6926178623), (7, 2968362267), (13, 1598348913), (19, 1093607151), (21, 989454089), (23, 903414603), (39, 532782971), (57, 364535717), (69, 301138201), (91, 228335559), (133, 156229593), (161, 129059229), (247, 84123627), (273, 76111853), (299, 69493431), (399, 52076531), (437, 47548137), (483, 43019743), (741, 28041209), (897, 23164477), (1311, 15849379), (1729, 12017661), (2093, 9927633), (3059, 6792591), (5187, 4005887), (5681, 3657549), (6279, 3309211), (9177, 2264197), (17043, 1219183), (39767, 522507), (119301, 174169)]