20160995931

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{19919}}^1$

素因数の和:21920

約数の個数: 32

約数和(自身を含む): 31457664000

約数和(自身を除く): 11296668069

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 1973, 5919, 17757, 19919, 37487, 53271, 59757, 112461, 179271, 337383, 378461, 537813, 1012149, 1135383, 3406149, 10218447, 39300187, 117900561, 353701683, 746703553, 1061105049, 2240110659, 6720331977, 20160995931]

約数ペア:

[(1, 20160995931), (3, 6720331977), (9, 2240110659), (19, 1061105049), (27, 746703553), (57, 353701683), (171, 117900561), (513, 39300187), (1973, 10218447), (5919, 3406149), (17757, 1135383), (19919, 1012149), (37487, 537813), (53271, 378461), (59757, 337383), (112461, 179271)]