20258368

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1873}}^1$

素因数の和:1911

約数の個数: 42

約数和(自身を含む): 43553634

約数和(自身を除く): 23295266

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1873, 2704, 3746, 5408, 7492, 10816, 14984, 24349, 29968, 48698, 59936, 97396, 119872, 194792, 316537, 389584, 633074, 779168, 1266148, 1558336, 2532296, 5064592, 10129184, 20258368]

約数ペア:

[(1, 20258368), (2, 10129184), (4, 5064592), (8, 2532296), (13, 1558336), (16, 1266148), (26, 779168), (32, 633074), (52, 389584), (64, 316537), (104, 194792), (169, 119872), (208, 97396), (338, 59936), (416, 48698), (676, 29968), (832, 24349), (1352, 14984), (1873, 10816), (2704, 7492), (3746, 5408)]