20984945847

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{433099}}^1$

素因数の和:433654

約数の個数: 16

約数和(自身を含む): 28938009600

約数和(自身を除く): 7953063753

約数列:

[1, 3, 31, 93, 521, 1563, 16151, 48453, 433099, 1299297, 13426069, 40278207, 225644579, 676933737, 6994981949, 20984945847]

約数ペア:

[(1, 20984945847), (3, 6994981949), (31, 676933737), (93, 225644579), (521, 40278207), (1563, 13426069), (16151, 1299297), (48453, 433099)]