20854964176

素因数分解:

$2^4\times {\mathrm{587}}^1\times {\mathrm{2220503}}^1$

素因数の和:2221098

約数の個数: 20

約数和(自身を含む): 40475346912

約数和(自身を除く): 19620382736

約数列:

[1, 2, 4, 8, 16, 587, 1174, 2348, 4696, 9392, 2220503, 4441006, 8882012, 17764024, 35528048, 1303435261, 2606870522, 5213741044, 10427482088, 20854964176]

約数ペア:

[(1, 20854964176), (2, 10427482088), (4, 5213741044), (8, 2606870522), (16, 1303435261), (587, 35528048), (1174, 17764024), (2348, 8882012), (4696, 4441006), (9392, 2220503)]