20199651890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2659}}^1\times {\mathrm{69061}}^1$

素因数の和:71738

約数の個数: 32

約数和(自身を含む): 39680262720

約数和(自身を除く): 19480610830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2659, 5318, 13295, 26590, 29249, 58498, 69061, 138122, 146245, 292490, 345305, 690610, 759671, 1519342, 3798355, 7596710, 183633199, 367266398, 918165995, 1836331990, 2019965189, 4039930378, 10099825945, 20199651890]

約数ペア:

[(1, 20199651890), (2, 10099825945), (5, 4039930378), (10, 2019965189), (11, 1836331990), (22, 918165995), (55, 367266398), (110, 183633199), (2659, 7596710), (5318, 3798355), (13295, 1519342), (26590, 759671), (29249, 690610), (58498, 345305), (69061, 292490), (138122, 146245)]