20974804923

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{417983}}^1$

素因数の和:418418

約数の個数: 16

約数和(自身を含む): 28690421760

約数和(自身を除く): 7715616837

約数列:

[1, 3, 43, 129, 389, 1167, 16727, 50181, 417983, 1253949, 17973269, 53919807, 162595387, 487786161, 6991601641, 20974804923]

約数ペア:

[(1, 20974804923), (3, 6991601641), (43, 487786161), (129, 162595387), (389, 53919807), (1167, 17973269), (16727, 1253949), (50181, 417983)]