20213038949

素因数分解:

${\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1\times {\mathrm{1471}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 20513980416

約数和(自身を除く): 300941467

約数列:

[1, 127, 257, 421, 1471, 32639, 53467, 108197, 186817, 378047, 619291, 13741019, 48011969, 78649957, 159157787, 20213038949]

約数ペア:

[(1, 20213038949), (127, 159157787), (257, 78649957), (421, 48011969), (1471, 13741019), (32639, 619291), (53467, 378047), (108197, 186817)]