20831932647

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{643}}^1\times {\mathrm{6091}}^1$

素因数の和:6940

約数の個数: 32

約数和(自身を含む): 31072124160

約数和(自身を除く): 10240191513

約数列:

[1, 3, 9, 27, 197, 591, 643, 1773, 1929, 5319, 5787, 6091, 17361, 18273, 54819, 126671, 164457, 380013, 1140039, 1199927, 3420117, 3599781, 3916513, 10799343, 11749539, 32398029, 35248617, 105745851, 771553061, 2314659183, 6943977549, 20831932647]

約数ペア:

[(1, 20831932647), (3, 6943977549), (9, 2314659183), (27, 771553061), (197, 105745851), (591, 35248617), (643, 32398029), (1773, 11749539), (1929, 10799343), (5319, 3916513), (5787, 3599781), (6091, 3420117), (17361, 1199927), (18273, 1140039), (54819, 380013), (126671, 164457)]