20257152

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 54639360

約数和(自身を除く): 34382208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 284, 384, 426, 568, 743, 852, 1136, 1486, 1704, 2229, 2272, 2972, 3408, 4458, 4544, 5944, 6816, 8916, 9088, 11888, 13632, 17832, 23776, 27264, 35664, 47552, 52753, 71328, 95104, 105506, 142656, 158259, 211012, 285312, 316518, 422024, 633036, 844048, 1266072, 1688096, 2532144, 3376192, 5064288, 6752384, 10128576, 20257152]

約数ペア:

[(1, 20257152), (2, 10128576), (3, 6752384), (4, 5064288), (6, 3376192), (8, 2532144), (12, 1688096), (16, 1266072), (24, 844048), (32, 633036), (48, 422024), (64, 316518), (71, 285312), (96, 211012), (128, 158259), (142, 142656), (192, 105506), (213, 95104), (284, 71328), (384, 52753), (426, 47552), (568, 35664), (743, 27264), (852, 23776), (1136, 17832), (1486, 13632), (1704, 11888), (2229, 9088), (2272, 8916), (2972, 6816), (3408, 5944), (4458, 4544)]