20206316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 36

約数和(自身を含む): 38921904

約数和(自身を除く): 18715588

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 169, 284, 338, 421, 676, 842, 923, 1684, 1846, 3692, 5473, 10946, 11999, 21892, 23998, 29891, 47996, 59782, 71149, 119564, 142298, 284596, 388583, 777166, 1554332, 5051579, 10103158, 20206316]

約数ペア:

[(1, 20206316), (2, 10103158), (4, 5051579), (13, 1554332), (26, 777166), (52, 388583), (71, 284596), (142, 142298), (169, 119564), (284, 71149), (338, 59782), (421, 47996), (676, 29891), (842, 23998), (923, 21892), (1684, 11999), (1846, 10946), (3692, 5473)]