20573656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135353}}^1$

素因数の和:135378

約数の個数: 16

約数和(自身を含む): 40606200

約数和(自身を除く): 20032544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135353, 270706, 541412, 1082824, 2571707, 5143414, 10286828, 20573656]

約数ペア:

[(1, 20573656), (2, 10286828), (4, 5143414), (8, 2571707), (19, 1082824), (38, 541412), (76, 270706), (152, 135353)]