20367020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 26172340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1619, 2516, 3145, 3238, 6290, 6476, 8095, 12580, 16190, 27523, 32380, 55046, 59903, 110092, 119806, 137615, 239612, 275230, 299515, 550460, 599030, 1018351, 1198060, 2036702, 4073404, 5091755, 10183510, 20367020]

約数ペア:

[(1, 20367020), (2, 10183510), (4, 5091755), (5, 4073404), (10, 2036702), (17, 1198060), (20, 1018351), (34, 599030), (37, 550460), (68, 299515), (74, 275230), (85, 239612), (148, 137615), (170, 119806), (185, 110092), (340, 59903), (370, 55046), (629, 32380), (740, 27523), (1258, 16190), (1619, 12580), (2516, 8095), (3145, 6476), (3238, 6290)]