20691566

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24229}}^1$

素因数の和:24299

約数の個数: 16

約数和(自身を含む): 36054240

約数和(自身を除く): 15362674

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24229, 48458, 169603, 339206, 1477969, 2955938, 10345783, 20691566]

約数ペア:

[(1, 20691566), (2, 10345783), (7, 2955938), (14, 1477969), (61, 339206), (122, 169603), (427, 48458), (854, 24229)]