20204408

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4567}}^1$

素因数の和:4659

約数の個数: 32

約数和(自身を含む): 43852800

約数和(自身を除く): 23648392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4567, 9134, 18268, 31969, 36536, 63938, 127876, 255752, 360793, 721586, 1443172, 2525551, 2886344, 5051102, 10102204, 20204408]

約数ペア:

[(1, 20204408), (2, 10102204), (4, 5051102), (7, 2886344), (8, 2525551), (14, 1443172), (28, 721586), (56, 360793), (79, 255752), (158, 127876), (316, 63938), (553, 36536), (632, 31969), (1106, 18268), (2212, 9134), (4424, 4567)]