20295117

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 31065216

約数和(自身を除く): 10770099

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1777, 3807, 5331, 11421, 15993, 47979, 83519, 143937, 250557, 431811, 751671, 2255013, 6765039, 20295117]

約数ペア:

[(1, 20295117), (3, 6765039), (9, 2255013), (27, 751671), (47, 431811), (81, 250557), (141, 143937), (243, 83519), (423, 47979), (1269, 15993), (1777, 11421), (3807, 5331)]