19665520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35117}}^1$

素因数の和:35137

約数の個数: 40

約数和(自身を含む): 52255584

約数和(自身を除く): 32590064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35117, 70234, 140468, 175585, 245819, 280936, 351170, 491638, 561872, 702340, 983276, 1229095, 1404680, 1966552, 2458190, 2809360, 3933104, 4916380, 9832760, 19665520]

約数ペア:

[(1, 19665520), (2, 9832760), (4, 4916380), (5, 3933104), (7, 2809360), (8, 2458190), (10, 1966552), (14, 1404680), (16, 1229095), (20, 983276), (28, 702340), (35, 561872), (40, 491638), (56, 351170), (70, 280936), (80, 245819), (112, 175585), (140, 140468), (280, 70234), (560, 35117)]