20589208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 40533120

約数和(自身を除く): 19943912

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1361, 1891, 2722, 3782, 5444, 7564, 10888, 15128, 42191, 83021, 84382, 166042, 168764, 332084, 337528, 664168, 2573651, 5147302, 10294604, 20589208]

約数ペア:

[(1, 20589208), (2, 10294604), (4, 5147302), (8, 2573651), (31, 664168), (61, 337528), (62, 332084), (122, 168764), (124, 166042), (244, 84382), (248, 83021), (488, 42191), (1361, 15128), (1891, 10888), (2722, 7564), (3782, 5444)]