20174879949

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2713}}^1\times {\mathrm{11423}}^1$

素因数の和:14177

約数の個数: 32

約数和(自身を含む): 31748849664

約数和(自身を除く): 11573969715

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2713, 8139, 11423, 18991, 34269, 56973, 79961, 84103, 239883, 252309, 354113, 588721, 1062339, 1766163, 2478791, 7436373, 30990599, 92971797, 216934193, 650802579, 960708569, 2882125707, 6724959983, 20174879949]

約数ペア:

[(1, 20174879949), (3, 6724959983), (7, 2882125707), (21, 960708569), (31, 650802579), (93, 216934193), (217, 92971797), (651, 30990599), (2713, 7436373), (8139, 2478791), (11423, 1766163), (18991, 1062339), (34269, 588721), (56973, 354113), (79961, 252309), (84103, 239883)]