20251888

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9239}}^1$

素因数の和:9384

約数の個数: 20

約数和(自身を含む): 39528720

約数和(自身を除く): 19276832

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9239, 18478, 36956, 73912, 147824, 1265743, 2531486, 5062972, 10125944, 20251888]

約数ペア:

[(1, 20251888), (2, 10125944), (4, 5062972), (8, 2531486), (16, 1265743), (137, 147824), (274, 73912), (548, 36956), (1096, 18478), (2192, 9239)]