20559910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41959}}^1$

素因数の和:41980

約数の個数: 24

約数和(自身を含む): 43050960

約数和(自身を除く): 22491050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41959, 83918, 209795, 293713, 419590, 587426, 1468565, 2055991, 2937130, 4111982, 10279955, 20559910]

約数ペア:

[(1, 20559910), (2, 10279955), (5, 4111982), (7, 2937130), (10, 2055991), (14, 1468565), (35, 587426), (49, 419590), (70, 293713), (98, 209795), (245, 83918), (490, 41959)]