20153868651

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{241}}^1\times {\mathrm{3677}}^1$

素因数の和:3969

約数の個数: 72

約数和(自身を含む): 35268371424

約数和(自身を除く): 15114502773

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 241, 361, 399, 723, 1083, 1197, 1687, 2169, 2527, 3249, 3677, 4579, 5061, 7581, 11031, 13737, 15183, 22743, 25739, 32053, 33093, 41211, 69863, 77217, 87001, 96159, 209589, 231651, 261003, 288477, 489041, 609007, 628767, 783009, 886157, 1327397, 1467123, 1827021, 2658471, 3982191, 4401369, 5481063, 6203099, 7975413, 9291779, 11946573, 16836983, 18609297, 27875337, 50510949, 55827891, 83626011, 117858881, 151532847, 319902677, 353576643, 959708031, 1060729929, 2239318739, 2879124093, 6717956217, 20153868651]

約数ペア:

[(1, 20153868651), (3, 6717956217), (7, 2879124093), (9, 2239318739), (19, 1060729929), (21, 959708031), (57, 353576643), (63, 319902677), (133, 151532847), (171, 117858881), (241, 83626011), (361, 55827891), (399, 50510949), (723, 27875337), (1083, 18609297), (1197, 16836983), (1687, 11946573), (2169, 9291779), (2527, 7975413), (3249, 6203099), (3677, 5481063), (4579, 4401369), (5061, 3982191), (7581, 2658471), (11031, 1827021), (13737, 1467123), (15183, 1327397), (22743, 886157), (25739, 783009), (32053, 628767), (33093, 609007), (41211, 489041), (69863, 288477), (77217, 261003), (87001, 231651), (96159, 209589)]