1728302020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1416641}}^1$

素因数の和:1416711

約数の個数: 24

約数和(自身を含む): 3688935768

約数和(自身を除く): 1960633748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1416641, 2833282, 5666564, 7083205, 14166410, 28332820, 86415101, 172830202, 345660404, 432075505, 864151010, 1728302020]

約数ペア:

[(1, 1728302020), (2, 864151010), (4, 432075505), (5, 345660404), (10, 172830202), (20, 86415101), (61, 28332820), (122, 14166410), (244, 7083205), (305, 5666564), (610, 2833282), (1220, 1416641)]