20296216

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6203}}^1$

素因数の和:6618

約数の個数: 16

約数和(自身を含む): 38154600

約数和(自身を除く): 17858384

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6203, 12406, 24812, 49624, 2537027, 5074054, 10148108, 20296216]

約数ペア:

[(1, 20296216), (2, 10148108), (4, 5074054), (8, 2537027), (409, 49624), (818, 24812), (1636, 12406), (3272, 6203)]