20161728573

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2339}}^1\times {\mathrm{2953}}^1$

素因数の和:5441

約数の個数: 32

約数和(自身を含む): 30967372800

約数和(自身を除く): 10805644227

約数列:

[1, 3, 7, 21, 139, 417, 973, 2339, 2919, 2953, 7017, 8859, 16373, 20671, 49119, 62013, 325121, 410467, 975363, 1231401, 2275847, 2873269, 6827541, 6907067, 8619807, 20721201, 48349469, 145048407, 960082313, 2880246939, 6720576191, 20161728573]

約数ペア:

[(1, 20161728573), (3, 6720576191), (7, 2880246939), (21, 960082313), (139, 145048407), (417, 48349469), (973, 20721201), (2339, 8619807), (2919, 6907067), (2953, 6827541), (7017, 2873269), (8859, 2275847), (16373, 1231401), (20671, 975363), (49119, 410467), (62013, 325121)]