2009757980

素因数分解:

$2^2\times 5^1\times {\mathrm{8941}}^1\times {\mathrm{11239}}^1$

素因数の和:20189

約数の個数: 24

約数和(自身を含む): 4221339360

約数和(自身を除く): 2211581380

約数列:

[1, 2, 4, 5, 10, 20, 8941, 11239, 17882, 22478, 35764, 44705, 44956, 56195, 89410, 112390, 178820, 224780, 100487899, 200975798, 401951596, 502439495, 1004878990, 2009757980]

約数ペア:

[(1, 2009757980), (2, 1004878990), (4, 502439495), (5, 401951596), (10, 200975798), (20, 100487899), (8941, 224780), (11239, 178820), (17882, 112390), (22478, 89410), (35764, 56195), (44705, 44956)]