20178755531

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1307507}}^1$

素因数の和:1307602

約数の個数: 16

約数和(自身を含む): 23346862848

約数和(自身を除く): 3168107317

約数列:

[1, 11, 23, 61, 253, 671, 1403, 15433, 1307507, 14382577, 30072661, 79757927, 330799271, 877337197, 1834432321, 20178755531]

約数ペア:

[(1, 20178755531), (11, 1834432321), (23, 877337197), (61, 330799271), (253, 79757927), (671, 30072661), (1403, 14382577), (15433, 1307507)]