20496770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{839}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21839230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 839, 1678, 1745, 2443, 3490, 4195, 4886, 5873, 8390, 11746, 12215, 24430, 29365, 58730, 292811, 585622, 1464055, 2049677, 2928110, 4099354, 10248385, 20496770]

約数ペア:

[(1, 20496770), (2, 10248385), (5, 4099354), (7, 2928110), (10, 2049677), (14, 1464055), (35, 585622), (70, 292811), (349, 58730), (698, 29365), (839, 24430), (1678, 12215), (1745, 11746), (2443, 8390), (3490, 5873), (4195, 4886)]