20351987

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 22090752

約数和(自身を除く): 1738765

約数列:

[1, 23, 47, 67, 281, 1081, 1541, 3149, 6463, 13207, 18827, 72427, 303761, 433021, 884869, 20351987]

約数ペア:

[(1, 20351987), (23, 884869), (47, 433021), (67, 303761), (281, 72427), (1081, 18827), (1541, 13207), (3149, 6463)]