20833722

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 38920518

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 39, 42, 46, 49, 63, 69, 78, 79, 91, 98, 117, 126, 138, 147, 158, 161, 182, 207, 234, 237, 273, 294, 299, 322, 414, 441, 474, 483, 546, 553, 598, 637, 711, 819, 882, 897, 966, 1027, 1106, 1127, 1274, 1422, 1449, 1638, 1659, 1794, 1817, 1911, 2054, 2093, 2254, 2691, 2898, 3081, 3318, 3381, 3634, 3822, 3871, 4186, 4977, 5382, 5451, 5733, 6162, 6279, 6762, 7189, 7742, 9243, 9954, 10143, 10902, 11466, 11613, 12558, 12719, 14378, 14651, 16353, 18486, 18837, 20286, 21567, 23226, 23621, 25438, 29302, 32706, 34839, 37674, 38157, 43134, 43953, 47242, 50323, 64701, 69678, 70863, 76314, 87906, 89033, 100646, 114471, 129402, 131859, 141726, 150969, 165347, 178066, 212589, 228942, 263718, 267099, 301938, 330694, 425178, 452907, 496041, 534198, 801297, 905814, 992082, 1157429, 1488123, 1602594, 2314858, 2976246, 3472287, 6944574, 10416861, 20833722]

約数ペア:

[(1, 20833722), (2, 10416861), (3, 6944574), (6, 3472287), (7, 2976246), (9, 2314858), (13, 1602594), (14, 1488123), (18, 1157429), (21, 992082), (23, 905814), (26, 801297), (39, 534198), (42, 496041), (46, 452907), (49, 425178), (63, 330694), (69, 301938), (78, 267099), (79, 263718), (91, 228942), (98, 212589), (117, 178066), (126, 165347), (138, 150969), (147, 141726), (158, 131859), (161, 129402), (182, 114471), (207, 100646), (234, 89033), (237, 87906), (273, 76314), (294, 70863), (299, 69678), (322, 64701), (414, 50323), (441, 47242), (474, 43953), (483, 43134), (546, 38157), (553, 37674), (598, 34839), (637, 32706), (711, 29302), (819, 25438), (882, 23621), (897, 23226), (966, 21567), (1027, 20286), (1106, 18837), (1127, 18486), (1274, 16353), (1422, 14651), (1449, 14378), (1638, 12719), (1659, 12558), (1794, 11613), (1817, 11466), (1911, 10902), (2054, 10143), (2093, 9954), (2254, 9243), (2691, 7742), (2898, 7189), (3081, 6762), (3318, 6279), (3381, 6162), (3634, 5733), (3822, 5451), (3871, 5382), (4186, 4977)]