20166890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 37849680

約数和(自身を除く): 17682790

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 353, 394, 706, 985, 1765, 1970, 3530, 5713, 10237, 11426, 20474, 28565, 51185, 57130, 69541, 102370, 139082, 347705, 695410, 2016689, 4033378, 10083445, 20166890]

約数ペア:

[(1, 20166890), (2, 10083445), (5, 4033378), (10, 2016689), (29, 695410), (58, 347705), (145, 139082), (197, 102370), (290, 69541), (353, 57130), (394, 51185), (706, 28565), (985, 20474), (1765, 11426), (1970, 10237), (3530, 5713)]