20819246

素因数分解:

$2^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{4261}}^1$

素因数の和:4619

約数の個数: 16

約数和(自身を含む): 35800800

約数和(自身を除く): 14981554

約数列:

[1, 2, 7, 14, 349, 698, 2443, 4261, 4886, 8522, 29827, 59654, 1487089, 2974178, 10409623, 20819246]

約数ペア:

[(1, 20819246), (2, 10409623), (7, 2974178), (14, 1487089), (349, 59654), (698, 29827), (2443, 8522), (4261, 4886)]