20658889706

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16215769}}^1$

素因数の和:16215798

約数の個数: 24

約数和(自身を含む): 38820553380

約数和(自身を除く): 18161663674

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16215769, 32431538, 113510383, 210804997, 227020766, 421609994, 794572681, 1475634979, 1589145362, 2951269958, 10329444853, 20658889706]

約数ペア:

[(1, 20658889706), (2, 10329444853), (7, 2951269958), (13, 1589145362), (14, 1475634979), (26, 794572681), (49, 421609994), (91, 227020766), (98, 210804997), (182, 113510383), (637, 32431538), (1274, 16215769)]