20438304

素因数分解:

$2^5\times 3^1\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1233

約数の個数: 48

約数和(自身を含む): 53958240

約数和(自身を除く): 33519936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 211, 422, 633, 844, 1009, 1266, 1688, 2018, 2532, 3027, 3376, 4036, 5064, 6054, 6752, 8072, 10128, 12108, 16144, 20256, 24216, 32288, 48432, 96864, 212899, 425798, 638697, 851596, 1277394, 1703192, 2554788, 3406384, 5109576, 6812768, 10219152, 20438304]

約数ペア:

[(1, 20438304), (2, 10219152), (3, 6812768), (4, 5109576), (6, 3406384), (8, 2554788), (12, 1703192), (16, 1277394), (24, 851596), (32, 638697), (48, 425798), (96, 212899), (211, 96864), (422, 48432), (633, 32288), (844, 24216), (1009, 20256), (1266, 16144), (1688, 12108), (2018, 10128), (2532, 8072), (3027, 6752), (3376, 6054), (4036, 5064)]