20349563585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3739}}^1$

素因数の和:3898

約数の個数: 64

約数和(自身を含む): 28269373440

約数和(自身を除く): 7919809855

約数列:

[1, 5, 13, 31, 37, 65, 73, 155, 185, 365, 403, 481, 949, 1147, 2015, 2263, 2405, 2701, 3739, 4745, 5735, 11315, 13505, 14911, 18695, 29419, 35113, 48607, 74555, 83731, 115909, 138343, 147095, 175565, 243035, 272947, 418655, 579545, 691715, 1088503, 1364735, 1506817, 1798459, 3548311, 4288633, 5442515, 7534085, 8461357, 8992295, 10099039, 17741555, 21443165, 42306785, 50495195, 55752229, 109997641, 131287507, 278761145, 313070209, 549988205, 656437535, 1565351045, 4069912717, 20349563585]

約数ペア:

[(1, 20349563585), (5, 4069912717), (13, 1565351045), (31, 656437535), (37, 549988205), (65, 313070209), (73, 278761145), (155, 131287507), (185, 109997641), (365, 55752229), (403, 50495195), (481, 42306785), (949, 21443165), (1147, 17741555), (2015, 10099039), (2263, 8992295), (2405, 8461357), (2701, 7534085), (3739, 5442515), (4745, 4288633), (5735, 3548311), (11315, 1798459), (13505, 1506817), (14911, 1364735), (18695, 1088503), (29419, 691715), (35113, 579545), (48607, 418655), (74555, 272947), (83731, 243035), (115909, 175565), (138343, 147095)]