20931044294069

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{68845099}}^1$

素因数の和:68845389

約数の個数: 24

約数和(自身を含む): 26003620411200

約数和(自身を除く): 5072576117131

約数列:

[1, 7, 13, 91, 169, 257, 1183, 1799, 3341, 23387, 43433, 304031, 68845099, 481915693, 894986287, 6264904009, 11634821731, 17693190443, 81443752117, 123852333101, 230011475759, 1610080330313, 2990149184867, 20931044294069]

約数ペア:

[(1, 20931044294069), (7, 2990149184867), (13, 1610080330313), (91, 230011475759), (169, 123852333101), (257, 81443752117), (1183, 17693190443), (1799, 11634821731), (3341, 6264904009), (23387, 894986287), (43433, 481915693), (304031, 68845099)]