20171119094

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1\times {\mathrm{64781}}^1$

素因数の和:65780

約数の個数: 32

約数和(自身を含む): 36120370176

約数和(自身を除く): 15949251082

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 967, 1934, 6769, 13538, 22241, 44482, 64781, 129562, 155687, 311374, 453467, 906934, 1489963, 2979926, 10429741, 20859482, 62643227, 125286454, 438502589, 877005178, 1440794221, 2881588442, 10085559547, 20171119094]

約数ペア:

[(1, 20171119094), (2, 10085559547), (7, 2881588442), (14, 1440794221), (23, 877005178), (46, 438502589), (161, 125286454), (322, 62643227), (967, 20859482), (1934, 10429741), (6769, 2979926), (13538, 1489963), (22241, 906934), (44482, 453467), (64781, 311374), (129562, 155687)]