20121820736

素因数分解:

$2^6\times {\mathrm{571}}^1\times {\mathrm{641}}^1\times {\mathrm{859}}^1$

素因数の和:2083

約数の個数: 56

約数和(自身を含む): 40108205280

約数和(自身を除く): 19986384544

約数列:

[1, 2, 4, 8, 16, 32, 64, 571, 641, 859, 1142, 1282, 1718, 2284, 2564, 3436, 4568, 5128, 6872, 9136, 10256, 13744, 18272, 20512, 27488, 36544, 41024, 54976, 366011, 490489, 550619, 732022, 980978, 1101238, 1464044, 1961956, 2202476, 2928088, 3923912, 4404952, 5856176, 7847824, 8809904, 11712352, 15695648, 17619808, 23424704, 31391296, 35239616, 314403449, 628806898, 1257613796, 2515227592, 5030455184, 10060910368, 20121820736]

約数ペア:

[(1, 20121820736), (2, 10060910368), (4, 5030455184), (8, 2515227592), (16, 1257613796), (32, 628806898), (64, 314403449), (571, 35239616), (641, 31391296), (859, 23424704), (1142, 17619808), (1282, 15695648), (1718, 11712352), (2284, 8809904), (2564, 7847824), (3436, 5856176), (4568, 4404952), (5128, 3923912), (6872, 2928088), (9136, 2202476), (10256, 1961956), (13744, 1464044), (18272, 1101238), (20512, 980978), (27488, 732022), (36544, 550619), (41024, 490489), (54976, 366011)]