20580294

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70001}}^1$

素因数の和:70020

約数の個数: 24

約数和(自身を含む): 47881368

約数和(自身を除く): 27301074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70001, 140002, 210003, 420006, 490007, 980014, 1470021, 2940042, 3430049, 6860098, 10290147, 20580294]

約数ペア:

[(1, 20580294), (2, 10290147), (3, 6860098), (6, 3430049), (7, 2940042), (14, 1470021), (21, 980014), (42, 490007), (49, 420006), (98, 210003), (147, 140002), (294, 70001)]