20933612

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15907}}^1$

素因数の和:15965

約数の個数: 24

約数和(自身を含む): 42760704

約数和(自身を除く): 21827092

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15907, 31814, 63628, 111349, 222698, 445396, 747629, 1495258, 2990516, 5233403, 10466806, 20933612]

約数ペア:

[(1, 20933612), (2, 10466806), (4, 5233403), (7, 2990516), (14, 1495258), (28, 747629), (47, 445396), (94, 222698), (188, 111349), (329, 63628), (658, 31814), (1316, 15907)]