20218246868

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{640061}}^1$

素因数の和:640267

約数の個数: 24

約数和(自身を含む): 36291515400

約数和(自身を除く): 16073268532

約数列:

[1, 2, 4, 53, 106, 149, 212, 298, 596, 7897, 15794, 31588, 640061, 1280122, 2560244, 33923233, 67846466, 95369089, 135692932, 190738178, 381476356, 5054561717, 10109123434, 20218246868]

約数ペア:

[(1, 20218246868), (2, 10109123434), (4, 5054561717), (53, 381476356), (106, 190738178), (149, 135692932), (212, 95369089), (298, 67846466), (596, 33923233), (7897, 2560244), (15794, 1280122), (31588, 640061)]