20193975916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{1129}}^1\times {\mathrm{62981}}^1$

素因数の和:64185

約数の個数: 24

約数和(自身を含む): 35869508640

約数和(自身を除く): 15675532724

約数列:

[1, 2, 4, 71, 142, 284, 1129, 2258, 4516, 62981, 80159, 125962, 160318, 251924, 320636, 4471651, 8943302, 17886604, 71105549, 142211098, 284422196, 5048493979, 10096987958, 20193975916]

約数ペア:

[(1, 20193975916), (2, 10096987958), (4, 5048493979), (71, 284422196), (142, 142211098), (284, 71105549), (1129, 17886604), (2258, 8943302), (4516, 4471651), (62981, 320636), (80159, 251924), (125962, 160318)]