20556042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1249}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 44520000

約数和(自身を除く): 23963958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1249, 1266, 2498, 2743, 3747, 5486, 7494, 8229, 16237, 16458, 32474, 48711, 97422, 263539, 527078, 790617, 1581234, 3426007, 6852014, 10278021, 20556042]

約数ペア:

[(1, 20556042), (2, 10278021), (3, 6852014), (6, 3426007), (13, 1581234), (26, 790617), (39, 527078), (78, 263539), (211, 97422), (422, 48711), (633, 32474), (1249, 16458), (1266, 16237), (2498, 8229), (2743, 7494), (3747, 5486)]