20278364

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 37231488

約数和(自身を除く): 16953124

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 908, 971, 1942, 3884, 5221, 10442, 20884, 22333, 44666, 89332, 220417, 440834, 881668, 5069591, 10139182, 20278364]

約数ペア:

[(1, 20278364), (2, 10139182), (4, 5069591), (23, 881668), (46, 440834), (92, 220417), (227, 89332), (454, 44666), (908, 22333), (971, 20884), (1942, 10442), (3884, 5221)]