20173530980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2099}}^1\times {\mathrm{9067}}^1$

素因数の和:11228

約数の個数: 48

約数和(自身を含む): 43189070400

約数和(自身を除く): 23015539420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2099, 4198, 8396, 9067, 10495, 18134, 20990, 36268, 41980, 45335, 90670, 111247, 181340, 222494, 444988, 480551, 556235, 961102, 1112470, 1922204, 2224940, 2402755, 4805510, 9611020, 19031633, 38063266, 76126532, 95158165, 190316330, 380632660, 1008676549, 2017353098, 4034706196, 5043382745, 10086765490, 20173530980]

約数ペア:

[(1, 20173530980), (2, 10086765490), (4, 5043382745), (5, 4034706196), (10, 2017353098), (20, 1008676549), (53, 380632660), (106, 190316330), (212, 95158165), (265, 76126532), (530, 38063266), (1060, 19031633), (2099, 9611020), (4198, 4805510), (8396, 2402755), (9067, 2224940), (10495, 1922204), (18134, 1112470), (20990, 961102), (36268, 556235), (41980, 480551), (45335, 444988), (90670, 222494), (111247, 181340)]