20702964368

素因数分解:

$2^4\times {\mathrm{1249}}^1\times {\mathrm{1035977}}^1$

素因数の和:1037234

約数の個数: 20

約数和(自身を含む): 40144147500

約数和(自身を除く): 19441183132

約数列:

[1, 2, 4, 8, 16, 1249, 2498, 4996, 9992, 19984, 1035977, 2071954, 4143908, 8287816, 16575632, 1293935273, 2587870546, 5175741092, 10351482184, 20702964368]

約数ペア:

[(1, 20702964368), (2, 10351482184), (4, 5175741092), (8, 2587870546), (16, 1293935273), (1249, 16575632), (2498, 8287816), (4996, 4143908), (9992, 2071954), (19984, 1035977)]