20522383

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 5743217

約数列:

[1, 7, 17, 37, 59, 79, 119, 259, 413, 553, 629, 1003, 1343, 2183, 2923, 4403, 4661, 7021, 9401, 15281, 20461, 32627, 37111, 49691, 79237, 172457, 259777, 347837, 554659, 1207199, 2931769, 20522383]

約数ペア:

[(1, 20522383), (7, 2931769), (17, 1207199), (37, 554659), (59, 347837), (79, 259777), (119, 172457), (259, 79237), (413, 49691), (553, 37111), (629, 32627), (1003, 20461), (1343, 15281), (2183, 9401), (2923, 7021), (4403, 4661)]