20792313368

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6354619}}^1$

素因数の和:6355034

約数の個数: 16

約数和(自身を含む): 39080913000

約数和(自身を除く): 18288599632

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6354619, 12709238, 25418476, 50836952, 2599039171, 5198078342, 10396156684, 20792313368]

約数ペア:

[(1, 20792313368), (2, 10396156684), (4, 5198078342), (8, 2599039171), (409, 50836952), (818, 25418476), (1636, 12709238), (3272, 6354619)]