20163727815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2313

約数の個数: 128

約数和(自身を含む): 41200220160

約数和(自身を除く): 21036492345

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 61, 77, 105, 137, 165, 183, 231, 305, 385, 411, 427, 671, 685, 915, 959, 1155, 1281, 1507, 2013, 2055, 2089, 2135, 2877, 3355, 4521, 4697, 4795, 6267, 6405, 7535, 8357, 10065, 10445, 10549, 14091, 14385, 14623, 22605, 22979, 23485, 25071, 31335, 31647, 41785, 43869, 52745, 58499, 68937, 70455, 73115, 91927, 114895, 125355, 127429, 158235, 160853, 175497, 219345, 275781, 286193, 292495, 344685, 382287, 459635, 482559, 637145, 643489, 804265, 858579, 877485, 892003, 1378905, 1401719, 1430965, 1911435, 1930467, 2003351, 2412795, 2676009, 3148123, 3217445, 4205157, 4292895, 4460015, 6010053, 7008595, 9444369, 9652335, 9812033, 10016755, 13380045, 15740615, 17457773, 21025785, 22036861, 29436099, 30050265, 47221845, 49060165, 52373319, 66110583, 87288865, 110184305, 122204411, 147180495, 192035503, 261866595, 330552915, 366613233, 576106509, 611022055, 960177515, 1344248521, 1833066165, 2880532545, 4032745563, 6721242605, 20163727815]

約数ペア:

[(1, 20163727815), (3, 6721242605), (5, 4032745563), (7, 2880532545), (11, 1833066165), (15, 1344248521), (21, 960177515), (33, 611022055), (35, 576106509), (55, 366613233), (61, 330552915), (77, 261866595), (105, 192035503), (137, 147180495), (165, 122204411), (183, 110184305), (231, 87288865), (305, 66110583), (385, 52373319), (411, 49060165), (427, 47221845), (671, 30050265), (685, 29436099), (915, 22036861), (959, 21025785), (1155, 17457773), (1281, 15740615), (1507, 13380045), (2013, 10016755), (2055, 9812033), (2089, 9652335), (2135, 9444369), (2877, 7008595), (3355, 6010053), (4521, 4460015), (4697, 4292895), (4795, 4205157), (6267, 3217445), (6405, 3148123), (7535, 2676009), (8357, 2412795), (10065, 2003351), (10445, 1930467), (10549, 1911435), (14091, 1430965), (14385, 1401719), (14623, 1378905), (22605, 892003), (22979, 877485), (23485, 858579), (25071, 804265), (31335, 643489), (31647, 637145), (41785, 482559), (43869, 459635), (52745, 382287), (58499, 344685), (68937, 292495), (70455, 286193), (73115, 275781), (91927, 219345), (114895, 175497), (125355, 160853), (127429, 158235)]