20784150295

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{206489}}^1$

素因数の和:207026

約数の個数: 16

約数和(自身を含む): 25601456160

約数和(自身を除く): 4817305865

約数列:

[1, 5, 41, 205, 491, 2455, 20131, 100655, 206489, 1032445, 8466049, 42330245, 101386099, 506930495, 4156830059, 20784150295]

約数ペア:

[(1, 20784150295), (5, 4156830059), (41, 506930495), (205, 101386099), (491, 42330245), (2455, 8466049), (20131, 1032445), (100655, 206489)]