20164970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5879}}^1$

素因数の和:5907

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 22171030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5879, 11758, 29395, 41153, 58790, 82306, 205765, 288071, 411530, 576142, 1440355, 2016497, 2880710, 4032994, 10082485, 20164970]

約数ペア:

[(1, 20164970), (2, 10082485), (5, 4032994), (7, 2880710), (10, 2016497), (14, 1440355), (35, 576142), (49, 411530), (70, 288071), (98, 205765), (245, 82306), (343, 58790), (490, 41153), (686, 29395), (1715, 11758), (3430, 5879)]