20187210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15649}}^1$

素因数の和:15702

約数の個数: 32

約数和(自身を含む): 49579200

約数和(自身を除く): 29391990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15649, 31298, 46947, 78245, 93894, 156490, 234735, 469470, 672907, 1345814, 2018721, 3364535, 4037442, 6729070, 10093605, 20187210]

約数ペア:

[(1, 20187210), (2, 10093605), (3, 6729070), (5, 4037442), (6, 3364535), (10, 2018721), (15, 1345814), (30, 672907), (43, 469470), (86, 234735), (129, 156490), (215, 93894), (258, 78245), (430, 46947), (645, 31298), (1290, 15649)]