2013180368

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{905207}}^1$

素因数の和:905354

約数の個数: 20

約数和(自身を含む): 3928602720

約数和(自身を除く): 1915422352

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 905207, 1810414, 3620828, 7241656, 14483312, 125823773, 251647546, 503295092, 1006590184, 2013180368]

約数ペア:

[(1, 2013180368), (2, 1006590184), (4, 503295092), (8, 251647546), (16, 125823773), (139, 14483312), (278, 7241656), (556, 3620828), (1112, 1810414), (2224, 905207)]