20178701242

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1073221}}^1$

素因数の和:1073326

約数の個数: 32

約数和(自身を含む): 37090552320

約数和(自身を除く): 16911851078

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 238, 553, 1106, 1343, 2686, 9401, 18802, 1073221, 2146442, 7512547, 15025094, 18244757, 36489514, 84784459, 127713299, 169568918, 255426598, 593491213, 1186982426, 1441335803, 2882671606, 10089350621, 20178701242]

約数ペア:

[(1, 20178701242), (2, 10089350621), (7, 2882671606), (14, 1441335803), (17, 1186982426), (34, 593491213), (79, 255426598), (119, 169568918), (158, 127713299), (238, 84784459), (553, 36489514), (1106, 18244757), (1343, 15025094), (2686, 7512547), (9401, 2146442), (18802, 1073221)]