20880222

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1231}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 45771264

約数和(自身を除く): 24891042

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 257, 514, 771, 1231, 1542, 2462, 2827, 3693, 5654, 7386, 8481, 13541, 16962, 27082, 40623, 81246, 316367, 632734, 949101, 1898202, 3480037, 6960074, 10440111, 20880222]

約数ペア:

[(1, 20880222), (2, 10440111), (3, 6960074), (6, 3480037), (11, 1898202), (22, 949101), (33, 632734), (66, 316367), (257, 81246), (514, 40623), (771, 27082), (1231, 16962), (1542, 13541), (2462, 8481), (2827, 7386), (3693, 5654)]