20499010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3019}}^1$

素因数の和:3130

約数の個数: 32

約数和(自身を含む): 42618240

約数和(自身を除く): 22119230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3019, 3395, 6038, 6790, 15095, 21133, 30190, 42266, 105665, 211330, 292843, 585686, 1464215, 2049901, 2928430, 4099802, 10249505, 20499010]

約数ペア:

[(1, 20499010), (2, 10249505), (5, 4099802), (7, 2928430), (10, 2049901), (14, 1464215), (35, 585686), (70, 292843), (97, 211330), (194, 105665), (485, 42266), (679, 30190), (970, 21133), (1358, 15095), (3019, 6790), (3395, 6038)]