20157628652

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{325901}}^1$

素因数の和:326006

約数の個数: 36

約数和(自身を含む): 41191405584

約数和(自身を除く): 21033776932

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 2209, 4418, 8836, 15463, 30926, 61852, 325901, 651802, 1303604, 2281307, 4562614, 9125228, 15317347, 30634694, 61269388, 107221429, 214442858, 428885716, 719915309, 1439830618, 2879661236, 5039407163, 10078814326, 20157628652]

約数ペア:

[(1, 20157628652), (2, 10078814326), (4, 5039407163), (7, 2879661236), (14, 1439830618), (28, 719915309), (47, 428885716), (94, 214442858), (188, 107221429), (329, 61269388), (658, 30634694), (1316, 15317347), (2209, 9125228), (4418, 4562614), (8836, 2281307), (15463, 1303604), (30926, 651802), (61852, 325901)]