20902992

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 61350240

約数和(自身を除く): 40447248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 59, 61, 66, 88, 118, 121, 122, 132, 176, 177, 183, 236, 242, 244, 264, 354, 363, 366, 472, 484, 488, 528, 649, 671, 708, 726, 732, 944, 968, 976, 1298, 1342, 1416, 1452, 1464, 1936, 1947, 2013, 2596, 2684, 2832, 2904, 2928, 3599, 3894, 4026, 5192, 5368, 5808, 7139, 7198, 7381, 7788, 8052, 10384, 10736, 10797, 14278, 14396, 14762, 15576, 16104, 21417, 21594, 22143, 28556, 28792, 29524, 31152, 32208, 39589, 42834, 43188, 44286, 57112, 57584, 59048, 79178, 85668, 86376, 88572, 114224, 118096, 118767, 158356, 171336, 172752, 177144, 237534, 316712, 342672, 354288, 435479, 475068, 633424, 870958, 950136, 1306437, 1741916, 1900272, 2612874, 3483832, 5225748, 6967664, 10451496, 20902992]

約数ペア:

[(1, 20902992), (2, 10451496), (3, 6967664), (4, 5225748), (6, 3483832), (8, 2612874), (11, 1900272), (12, 1741916), (16, 1306437), (22, 950136), (24, 870958), (33, 633424), (44, 475068), (48, 435479), (59, 354288), (61, 342672), (66, 316712), (88, 237534), (118, 177144), (121, 172752), (122, 171336), (132, 158356), (176, 118767), (177, 118096), (183, 114224), (236, 88572), (242, 86376), (244, 85668), (264, 79178), (354, 59048), (363, 57584), (366, 57112), (472, 44286), (484, 43188), (488, 42834), (528, 39589), (649, 32208), (671, 31152), (708, 29524), (726, 28792), (732, 28556), (944, 22143), (968, 21594), (976, 21417), (1298, 16104), (1342, 15576), (1416, 14762), (1452, 14396), (1464, 14278), (1936, 10797), (1947, 10736), (2013, 10384), (2596, 8052), (2684, 7788), (2832, 7381), (2904, 7198), (2928, 7139), (3599, 5808), (3894, 5368), (4026, 5192)]