20435490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25229}}^1$

素因数の和:25248

約数の個数: 40

約数和(自身を含む): 54950940

約数和(自身を除く): 34515450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25229, 50458, 75687, 126145, 151374, 227061, 252290, 378435, 454122, 681183, 756870, 1135305, 1362366, 2043549, 2270610, 3405915, 4087098, 6811830, 10217745, 20435490]

約数ペア:

[(1, 20435490), (2, 10217745), (3, 6811830), (5, 4087098), (6, 3405915), (9, 2270610), (10, 2043549), (15, 1362366), (18, 1135305), (27, 756870), (30, 681183), (45, 454122), (54, 378435), (81, 252290), (90, 227061), (135, 151374), (162, 126145), (270, 75687), (405, 50458), (810, 25229)]