20504210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 39491712

約数和(自身を除く): 18987502

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1171, 1751, 2342, 3502, 5855, 8755, 11710, 17510, 19907, 39814, 99535, 120613, 199070, 241226, 603065, 1206130, 2050421, 4100842, 10252105, 20504210]

約数ペア:

[(1, 20504210), (2, 10252105), (5, 4100842), (10, 2050421), (17, 1206130), (34, 603065), (85, 241226), (103, 199070), (170, 120613), (206, 99535), (515, 39814), (1030, 19907), (1171, 17510), (1751, 11710), (2342, 8755), (3502, 5855)]