20662810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42169}}^1$

素因数の和:42190

約数の個数: 24

約数和(自身を含む): 43266420

約数和(自身を除く): 22603610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42169, 84338, 210845, 295183, 421690, 590366, 1475915, 2066281, 2951830, 4132562, 10331405, 20662810]

約数ペア:

[(1, 20662810), (2, 10331405), (5, 4132562), (7, 2951830), (10, 2066281), (14, 1475915), (35, 590366), (49, 421690), (70, 295183), (98, 210845), (245, 84338), (490, 42169)]