20196556940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144261121}}^1$

素因数の和:144261137

約数の個数: 24

約数和(自身を含む): 48471736992

約数和(自身を除く): 28275180052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144261121, 288522242, 577044484, 721305605, 1009827847, 1442611210, 2019655694, 2885222420, 4039311388, 5049139235, 10098278470, 20196556940]

約数ペア:

[(1, 20196556940), (2, 10098278470), (4, 5049139235), (5, 4039311388), (7, 2885222420), (10, 2019655694), (14, 1442611210), (20, 1009827847), (28, 721305605), (35, 577044484), (70, 288522242), (140, 144261121)]