20087438980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143481707}}^1$

素因数の和:143481723

約数の個数: 24

約数和(自身を含む): 48209853888

約数和(自身を除く): 28122414908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143481707, 286963414, 573926828, 717408535, 1004371949, 1434817070, 2008743898, 2869634140, 4017487796, 5021859745, 10043719490, 20087438980]

約数ペア:

[(1, 20087438980), (2, 10043719490), (4, 5021859745), (5, 4017487796), (7, 2869634140), (10, 2008743898), (14, 1434817070), (20, 1004371949), (28, 717408535), (35, 573926828), (70, 286963414), (140, 143481707)]