20794970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{709}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 22145830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 709, 838, 1418, 2095, 2933, 3545, 4190, 4963, 5866, 7090, 9926, 14665, 24815, 29330, 49630, 297071, 594142, 1485355, 2079497, 2970710, 4158994, 10397485, 20794970]

約数ペア:

[(1, 20794970), (2, 10397485), (5, 4158994), (7, 2970710), (10, 2079497), (14, 1485355), (35, 594142), (70, 297071), (419, 49630), (709, 29330), (838, 24815), (1418, 14665), (2095, 9926), (2933, 7090), (3545, 5866), (4190, 4963)]